content/renderer/render_frame_impl.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/renderer/render_frame_impl.h"
   6
   7 #include <map>
   8 #include <string>
   9
  10 #include "base/auto_reset.h"
  11 #include "base/command_line.h"
  12 #include "base/debug/alias.h"
  13 #include "base/debug/asan_invalid_access.h"
  14 #include "base/debug/dump_without_crashing.h"
  15 #include "base/i18n/char_iterator.h"
  16 #include "base/metrics/histogram.h"
  17 #include "base/process/process.h"
  18 #include "base/strings/string16.h"
  19 #include "base/strings/utf_string_conversions.h"
  20 #include "base/thread_task_runner_handle.h"
  21 #include "base/time/time.h"
  22 #include "cc/base/switches.h"
  23 #include "content/child/appcache/appcache_dispatcher.h"
  24 #include "content/child/permissions/permission_dispatcher.h"
  25 #include "content/child/plugin_messages.h"
  26 #include "content/child/quota_dispatcher.h"
  27 #include "content/child/request_extra_data.h"
  28 #include "content/child/service_worker/service_worker_handle_reference.h"
  29 #include "content/child/service_worker/service_worker_network_provider.h"
  30 #include "content/child/service_worker/service_worker_provider_context.h"
  31 #include "content/child/service_worker/web_service_worker_provider_impl.h"
  32 #include "content/child/v8_value_converter_impl.h"
  33 #include "content/child/web_url_loader_impl.h"
  34 #include "content/child/web_url_request_util.h"
  35 #include "content/child/webmessageportchannel_impl.h"
  36 #include "content/child/websocket_bridge.h"
  37 #include "content/child/weburlresponse_extradata_impl.h"
  38 #include "content/common/accessibility_messages.h"
  39 #include "content/common/clipboard_messages.h"
  40 #include "content/common/frame_messages.h"
  41 #include "content/common/frame_replication_state.h"
  42 #include "content/common/input_messages.h"
  43 #include "content/common/navigation_params.h"
  44 #include "content/common/service_worker/service_worker_types.h"
  45 #include "content/common/site_isolation_policy.h"
  46 #include "content/common/swapped_out_messages.h"
  47 #include "content/common/view_messages.h"
  48 #include "content/public/common/bindings_policy.h"
  49 #include "content/public/common/content_constants.h"
  50 #include "content/public/common/content_switches.h"
  51 #include "content/public/common/context_menu_params.h"
  52 #include "content/public/common/isolated_world_ids.h"
  53 #include "content/public/common/page_state.h"
  54 #include "content/public/common/resource_response.h"
  55 #include "content/public/common/url_constants.h"
  56 #include "content/public/common/url_utils.h"
  57 #include "content/public/renderer/browser_plugin_delegate.h"
  58 #include "content/public/renderer/content_renderer_client.h"
  59 #include "content/public/renderer/context_menu_client.h"
  60 #include "content/public/renderer/document_state.h"
  61 #include "content/public/renderer/navigation_state.h"
  62 #include "content/public/renderer/render_frame_observer.h"
  63 #include "content/public/renderer/renderer_ppapi_host.h"
  64 #include "content/renderer/accessibility/renderer_accessibility.h"
  65 #include "content/renderer/bluetooth/web_bluetooth_impl.h"
  66 #include "content/renderer/browser_plugin/browser_plugin.h"
  67 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
  68 #include "content/renderer/child_frame_compositing_helper.h"
  69 #include "content/renderer/context_menu_params_builder.h"
  70 #include "content/renderer/devtools/devtools_agent.h"
  71 #include "content/renderer/dom_automation_controller.h"
  72 #include "content/renderer/external_popup_menu.h"
  73 #include "content/renderer/geolocation_dispatcher.h"
  74 #include "content/renderer/gpu/gpu_benchmarking_extension.h"
  75 #include "content/renderer/history_controller.h"
  76 #include "content/renderer/history_serialization.h"
  77 #include "content/renderer/image_downloader/image_downloader_impl.h"
  78 #include "content/renderer/ime_event_guard.h"
  79 #include "content/renderer/internal_document_state_data.h"
  80 #include "content/renderer/manifest/manifest_manager.h"
  81 #include "content/renderer/media/audio_renderer_mixer_manager.h"
  82 #include "content/renderer/media/crypto/render_cdm_factory.h"
  83 #include "content/renderer/media/media_permission_dispatcher.h"
  84 #include "content/renderer/media/media_stream_dispatcher.h"
  85 #include "content/renderer/media/media_stream_renderer_factory_impl.h"
  86 #include "content/renderer/media/midi_dispatcher.h"
  87 #include "content/renderer/media/render_media_log.h"
  88 #include "content/renderer/media/user_media_client_impl.h"
  89 #include "content/renderer/media/webmediaplayer_ms.h"
  90 #include "content/renderer/memory_benchmarking_extension.h"
  91 #include "content/renderer/mojo/service_registry_js_wrapper.h"
  92 #include "content/renderer/navigation_state_impl.h"
  93 #include "content/renderer/notification_permission_dispatcher.h"
  94 #include "content/renderer/npapi/plugin_channel_host.h"
  95 #include "content/renderer/pepper/plugin_instance_throttler_impl.h"
  96 #include "content/renderer/presentation/presentation_dispatcher.h"
  97 #include "content/renderer/push_messaging/push_messaging_dispatcher.h"
  98 #include "content/renderer/render_frame_proxy.h"
  99 #include "content/renderer/render_process.h"
 100 #include "content/renderer/render_thread_impl.h"
 101 #include "content/renderer/render_view_impl.h"
 102 #include "content/renderer/render_widget_fullscreen_pepper.h"
 103 #include "content/renderer/renderer_webapplicationcachehost_impl.h"
 104 #include "content/renderer/renderer_webcolorchooser_impl.h"
 105 #include "content/renderer/screen_orientation/screen_orientation_dispatcher.h"
 106 #include "content/renderer/shared_worker_repository.h"
 107 #include "content/renderer/skia_benchmarking_extension.h"
 108 #include "content/renderer/stats_collection_controller.h"
 109 #include "content/renderer/web_ui_extension.h"
 110 #include "content/renderer/websharedworker_proxy.h"
 111 #include "gin/modules/module_registry.h"
 112 #include "media/base/audio_renderer_mixer_input.h"
 113 #include "media/base/media_log.h"
 114 #include "media/blink/webencryptedmediaclient_impl.h"
 115 #include "media/blink/webmediaplayer_impl.h"
 116 #include "media/blink/webmediaplayer_params.h"
 117 #include "media/renderers/gpu_video_accelerator_factories.h"
 118 #include "net/base/data_url.h"
 119 #include "net/base/net_errors.h"
 120 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 121 #include "net/http/http_util.h"
 122 #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h"
 123 #include "third_party/WebKit/public/platform/WebString.h"
 124 #include "third_party/WebKit/public/platform/WebURL.h"
 125 #include "third_party/WebKit/public/platform/WebURLError.h"
 126 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 127 #include "third_party/WebKit/public/platform/WebVector.h"
 128 #include "third_party/WebKit/public/web/WebColorSuggestion.h"
 129 #include "third_party/WebKit/public/web/WebDocument.h"
 130 #include "third_party/WebKit/public/web/WebFrameWidget.h"
 131 #include "third_party/WebKit/public/web/WebGlyphCache.h"
 132 #include "third_party/WebKit/public/web/WebKit.h"
 133 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 134 #include "third_party/WebKit/public/web/WebMediaStreamRegistry.h"
 135 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
 136 #include "third_party/WebKit/public/web/WebPlugin.h"
 137 #include "third_party/WebKit/public/web/WebPluginParams.h"
 138 #include "third_party/WebKit/public/web/WebPluginPlaceholder.h"
 139 #include "third_party/WebKit/public/web/WebRange.h"
 140 #include "third_party/WebKit/public/web/WebScopedUserGesture.h"
 141 #include "third_party/WebKit/public/web/WebScriptSource.h"
 142 #include "third_party/WebKit/public/web/WebSearchableFormData.h"
 143 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
 144 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
 145 #include "third_party/WebKit/public/web/WebSerializedScriptValue.h"
 146 #include "third_party/WebKit/public/web/WebSettings.h"
 147 #include "third_party/WebKit/public/web/WebSurroundingText.h"
 148 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
 149 #include "third_party/WebKit/public/web/WebView.h"
 150 #include "third_party/mojo/src/mojo/edk/js/core.h"
 151 #include "third_party/mojo/src/mojo/edk/js/support.h"
 152 #include "url/url_util.h"
 153
 154 #if defined(ENABLE_PLUGINS)
 155 #include "content/renderer/npapi/webplugin_impl.h"
 156 #include "content/renderer/pepper/pepper_browser_connection.h"
 157 #include "content/renderer/pepper/pepper_plugin_instance_impl.h"
 158 #include "content/renderer/pepper/pepper_webplugin_impl.h"
 159 #include "content/renderer/pepper/plugin_module.h"
 160 #endif
 161
 162 #if defined(ENABLE_WEBRTC)
 163 #include "content/renderer/media/rtc_peer_connection_handler.h"
 164 #endif
 165
 166 #if defined(OS_ANDROID)
 167 #include <cpu-features.h>
 168
 169 #include "content/common/gpu/client/context_provider_command_buffer.h"
 170 #include "content/renderer/android/synchronous_compositor_factory.h"
 171 #include "content/renderer/java/gin_java_bridge_dispatcher.h"
 172 #include "content/renderer/media/android/renderer_media_player_manager.h"
 173 #include "content/renderer/media/android/stream_texture_factory_impl.h"
 174 #include "content/renderer/media/android/webmediaplayer_android.h"
 175 #else
 176 #include "cc/blink/context_provider_web_context.h"
 177 #endif
 178
 179 #if defined(ENABLE_PEPPER_CDMS)
 180 #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h"
 181 #elif defined(ENABLE_BROWSER_CDMS)
 182 #include "content/renderer/media/crypto/renderer_cdm_manager.h"
 183 #endif
 184
 185 #if defined(ENABLE_MOJO_MEDIA)
 186 #include "media/mojo/services/mojo_cdm_factory.h"
 187 #include "media/mojo/services/mojo_renderer_factory.h"
 188 #include "mojo/application/public/cpp/connect.h"
 189 #include "mojo/application/public/interfaces/shell.mojom.h"
 190 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
 191 #else
 192 #include "media/renderers/default_renderer_factory.h"
 193 #endif
 194
 195 #if defined(ENABLE_WEBVR)
 196 #include "content/renderer/vr/vr_dispatcher.h"
 197 #endif
 198
 199 using blink::WebContentDecryptionModule;
 200 using blink::WebContextMenuData;
 201 using blink::WebData;
 202 using blink::WebDataSource;
 203 using blink::WebDocument;
 204 using blink::WebDOMEvent;
 205 using blink::WebDOMMessageEvent;
 206 using blink::WebElement;
 207 using blink::WebExternalPopupMenu;
 208 using blink::WebExternalPopupMenuClient;
 209 using blink::WebFrame;
 210 using blink::WebHistoryItem;
 211 using blink::WebHTTPBody;
 212 using blink::WebLocalFrame;
 213 using blink::WebMediaPlayer;
 214 using blink::WebMediaPlayerClient;
 215 using blink::WebMediaPlayerEncryptedMediaClient;
 216 using blink::WebNavigationPolicy;
 217 using blink::WebNavigationType;
 218 using blink::WebNode;
 219 using blink::WebPluginParams;
 220 using blink::WebPopupMenuInfo;
 221 using blink::WebRange;
 222 using blink::WebReferrerPolicy;
 223 using blink::WebScriptSource;
 224 using blink::WebSearchableFormData;
 225 using blink::WebSecurityOrigin;
 226 using blink::WebSecurityPolicy;
 227 using blink::WebSerializedScriptValue;
 228 using blink::WebServiceWorkerProvider;
 229 using blink::WebSettings;
 230 using blink::WebStorageQuotaCallbacks;
 231 using blink::WebString;
 232 using blink::WebURL;
 233 using blink::WebURLError;
 234 using blink::WebURLRequest;
 235 using blink::WebURLResponse;
 236 using blink::WebUserGestureIndicator;
 237 using blink::WebVector;
 238 using blink::WebView;
 239 using base::Time;
 240 using base::TimeDelta;
 241
 242 namespace content {
 243
 244 namespace {
 245
 246 const char kDefaultAcceptHeader[] =
 247     "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/"
 248     "*;q=0.8";
 249 const char kAcceptHeader[] = "Accept";
 250
 251 const size_t kExtraCharsBeforeAndAfterSelection = 100;
 252
 253 typedef std::map<int, RenderFrameImpl*> RoutingIDFrameMap;
 254 static base::LazyInstance<RoutingIDFrameMap> g_routing_id_frame_map =
 255     LAZY_INSTANCE_INITIALIZER;
 256
 257 typedef std::map<blink::WebFrame*, RenderFrameImpl*> FrameMap;
 258 base::LazyInstance<FrameMap> g_frame_map = LAZY_INSTANCE_INITIALIZER;
 259
 260 int64 ExtractPostId(HistoryEntry* entry) {
 261   if (!entry)
 262     return -1;
 263
 264   const WebHistoryItem& item = entry->root();
 265   if (item.isNull() || item.httpBody().isNull())
 266     return -1;
 267
 268   return item.httpBody().identifier();
 269 }
 270
 271 WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
 272     const WebURLResponse& response) {
 273   return static_cast<WebURLResponseExtraDataImpl*>(response.extraData());
 274 }
 275
 276 void GetRedirectChain(WebDataSource* ds, std::vector<GURL>* result) {
 277   // Replace any occurrences of swappedout:// with about:blank.
 278   const WebURL& blank_url = GURL(url::kAboutBlankURL);
 279   WebVector<WebURL> urls;
 280   ds->redirectChain(urls);
 281   result->reserve(urls.size());
 282   for (size_t i = 0; i < urls.size(); ++i) {
 283     if (urls[i] != GURL(kSwappedOutURL))
 284       result->push_back(urls[i]);
 285     else
 286       result->push_back(blank_url);
 287   }
 288 }
 289
 290 // Returns the original request url. If there is no redirect, the original
 291 // url is the same as ds->request()->url(). If the WebDataSource belongs to a
 292 // frame was loaded by loadData, the original url will be ds->unreachableURL()
 293 GURL GetOriginalRequestURL(WebDataSource* ds) {
 294   // WebDataSource has unreachable URL means that the frame is loaded through
 295   // blink::WebFrame::loadData(), and the base URL will be in the redirect
 296   // chain. However, we never visited the baseURL. So in this case, we should
 297   // use the unreachable URL as the original URL.
 298   if (ds->hasUnreachableURL())
 299     return ds->unreachableURL();
 300
 301   std::vector<GURL> redirects;
 302   GetRedirectChain(ds, &redirects);
 303   if (!redirects.empty())
 304     return redirects.at(0);
 305
 306   return ds->originalRequest().url();
 307 }
 308
 309 NOINLINE void CrashIntentionally() {
 310   // NOTE(shess): Crash directly rather than using NOTREACHED() so
 311   // that the signature is easier to triage in crash reports.
 312   volatile int* zero = NULL;
 313   *zero = 0;
 314 }
 315
 316 NOINLINE void BadCastCrashIntentionally() {
 317   class A {
 318     virtual void f() {}
 319   };
 320
 321   class B {
 322     virtual void f() {}
 323   };
 324
 325   A a;
 326   (void)(B*)&a;
 327 }
 328
 329 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 330 NOINLINE void MaybeTriggerAsanError(const GURL& url) {
 331   // NOTE(rogerm): We intentionally perform an invalid heap access here in
 332   //     order to trigger an Address Sanitizer (ASAN) error report.
 333   const char kCrashDomain[] = "crash";
 334   const char kHeapOverflow[] = "/heap-overflow";
 335   const char kHeapUnderflow[] = "/heap-underflow";
 336   const char kUseAfterFree[] = "/use-after-free";
 337 #if defined(SYZYASAN)
 338   const char kCorruptHeapBlock[] = "/corrupt-heap-block";
 339   const char kCorruptHeap[] = "/corrupt-heap";
 340 #endif
 341
 342   if (!url.DomainIs(kCrashDomain))
 343     return;
 344
 345   if (!url.has_path())
 346     return;
 347
 348   std::string crash_type(url.path());
 349   if (crash_type == kHeapOverflow) {
 350     base::debug::AsanHeapOverflow();
 351   } else if (crash_type == kHeapUnderflow ) {
 352     base::debug::AsanHeapUnderflow();
 353   } else if (crash_type == kUseAfterFree) {
 354     base::debug::AsanHeapUseAfterFree();
 355 #if defined(SYZYASAN)
 356   } else if (crash_type == kCorruptHeapBlock) {
 357     base::debug::AsanCorruptHeapBlock();
 358   } else if (crash_type == kCorruptHeap) {
 359     base::debug::AsanCorruptHeap();
 360 #endif
 361   }
 362 }
 363 #endif  // ADDRESS_SANITIZER || SYZYASAN
 364
 365 void MaybeHandleDebugURL(const GURL& url) {
 366   if (!url.SchemeIs(kChromeUIScheme))
 367     return;
 368   if (url == GURL(kChromeUIBadCastCrashURL)) {
 369     BadCastCrashIntentionally();
 370   } else if (url == GURL(kChromeUICrashURL)) {
 371     CrashIntentionally();
 372   } else if (url == GURL(kChromeUIDumpURL)) {
 373     // This URL will only correctly create a crash dump file if content is
 374     // hosted in a process that has correctly called
 375     // base::debug::SetDumpWithoutCrashingFunction.  Refer to the documentation
 376     // of base::debug::DumpWithoutCrashing for more details.
 377     base::debug::DumpWithoutCrashing();
 378   } else if (url == GURL(kChromeUIKillURL)) {
 379     base::Process::Current().Terminate(1, false);
 380   } else if (url == GURL(kChromeUIHangURL)) {
 381     for (;;) {
 382       base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
 383     }
 384   } else if (url == GURL(kChromeUIShorthangURL)) {
 385     base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20));
 386   }
 387
 388 #if defined(ADDRESS_SANITIZER) || defined(SYZYASAN)
 389   MaybeTriggerAsanError(url);
 390 #endif  // ADDRESS_SANITIZER || SYZYASAN
 391 }
 392
 393 // Returns false unless this is a top-level navigation.
 394 bool IsTopLevelNavigation(WebFrame* frame) {
 395   return frame->parent() == NULL;
 396 }
 397
 398 // Returns false unless this is a top-level navigation that crosses origins.
 399 bool IsNonLocalTopLevelNavigation(const GURL& url,
 400                                   WebFrame* frame,
 401                                   WebNavigationType type,
 402                                   bool is_form_post) {
 403   if (!IsTopLevelNavigation(frame))
 404     return false;
 405
 406   // Navigations initiated within Webkit are not sent out to the external host
 407   // in the following cases.
 408   // 1. The url scheme is not http/https
 409   // 2. The origin of the url and the opener is the same in which case the
 410   //    opener relationship is maintained.
 411   // 3. Reloads/form submits/back forward navigations
 412   if (!url.SchemeIs(url::kHttpScheme) && !url.SchemeIs(url::kHttpsScheme))
 413     return false;
 414
 415   if (type != blink::WebNavigationTypeReload &&
 416       type != blink::WebNavigationTypeBackForward && !is_form_post) {
 417     // The opener relationship between the new window and the parent allows the
 418     // new window to script the parent and vice versa. This is not allowed if
 419     // the origins of the two domains are different. This can be treated as a
 420     // top level navigation and routed back to the host.
 421     blink::WebFrame* opener = frame->opener();
 422     if (!opener)
 423       return true;
 424
 425     if (url.GetOrigin() != GURL(opener->document().url()).GetOrigin())
 426       return true;
 427   }
 428   return false;
 429 }
 430
 431 WebURLRequest CreateURLRequestForNavigation(
 432     const CommonNavigationParams& common_params,
 433     scoped_ptr<StreamOverrideParameters> stream_override,
 434     bool is_view_source_mode_enabled) {
 435   WebURLRequest request(common_params.url);
 436   if (is_view_source_mode_enabled)
 437     request.setCachePolicy(WebURLRequest::ReturnCacheDataElseLoad);
 438
 439   if (common_params.referrer.url.is_valid()) {
 440     WebString web_referrer = WebSecurityPolicy::generateReferrerHeader(
 441         common_params.referrer.policy,
 442         common_params.url,
 443         WebString::fromUTF8(common_params.referrer.url.spec()));
 444     if (!web_referrer.isEmpty())
 445       request.setHTTPReferrer(web_referrer, common_params.referrer.policy);
 446   }
 447
 448   RequestExtraData* extra_data = new RequestExtraData();
 449   extra_data->set_stream_override(stream_override.Pass());
 450   request.setExtraData(extra_data);
 451
 452   // Set the ui timestamp for this navigation. Currently the timestamp here is
 453   // only non empty when the navigation was triggered by an Android intent. The
 454   // timestamp is converted to a double version supported by blink. It will be
 455   // passed back to the browser in the DidCommitProvisionalLoad and the
 456   // DocumentLoadComplete IPCs.
 457   base::TimeDelta ui_timestamp = common_params.ui_timestamp - base::TimeTicks();
 458   request.setUiStartTime(ui_timestamp.InSecondsF());
 459   request.setInputPerfMetricReportPolicy(
 460       static_cast<WebURLRequest::InputToLoadPerfMetricReportPolicy>(
 461           common_params.report_type));
 462   return request;
 463 }
 464
 465 void UpdateFrameNavigationTiming(WebFrame* frame,
 466                                  base::TimeTicks browser_navigation_start,
 467                                  base::TimeTicks renderer_navigation_start) {
 468   // The browser provides the navigation_start time to bootstrap the
 469   // Navigation Timing information for the browser-initiated navigations. In
 470   // case of cross-process navigations, this carries over the time of
 471   // finishing the onbeforeunload handler of the previous page.
 472   DCHECK(!browser_navigation_start.is_null());
 473   if (frame->provisionalDataSource()) {
 474     // |browser_navigation_start| is likely before this process existed, so we
 475     // can't use InterProcessTimeTicksConverter. We need at least to ensure
 476     // that the browser-side navigation start we set is not later than the one
 477     // on the renderer side.
 478     base::TimeTicks navigation_start = std::min(
 479         browser_navigation_start, renderer_navigation_start);
 480     double navigation_start_seconds =
 481         (navigation_start - base::TimeTicks()).InSecondsF();
 482     frame->provisionalDataSource()->setNavigationStartTime(
 483         navigation_start_seconds);
 484     // TODO(clamy): We need to provide additional timing values for the
 485     // Navigation Timing API to work with browser-side navigations.
 486   }
 487 }
 488
 489 // PlzNavigate
 490 CommonNavigationParams MakeCommonNavigationParams(
 491     blink::WebURLRequest* request,
 492     bool should_replace_current_entry) {
 493   const RequestExtraData kEmptyData;
 494   const RequestExtraData* extra_data =
 495       static_cast<RequestExtraData*>(request->extraData());
 496   if (!extra_data)
 497     extra_data = &kEmptyData;
 498   Referrer referrer(
 499       GURL(request->httpHeaderField(WebString::fromUTF8("Referer")).latin1()),
 500       request->referrerPolicy());
 501
 502   // Set the ui timestamp for this navigation. Currently the timestamp here is
 503   // only non empty when the navigation was triggered by an Android intent, or
 504   // by the user clicking on a link. The timestamp is converted from a double
 505   // version supported by blink. It will be passed back to the renderer in the
 506   // CommitNavigation IPC, and then back to the browser again in the
 507   // DidCommitProvisionalLoad and the DocumentLoadComplete IPCs.
 508   base::TimeTicks ui_timestamp =
 509       base::TimeTicks() + base::TimeDelta::FromSecondsD(request->uiStartTime());
 510   FrameMsg_UILoadMetricsReportType::Value report_type =
 511       static_cast<FrameMsg_UILoadMetricsReportType::Value>(
 512           request->inputPerfMetricReportPolicy());
 513   return CommonNavigationParams(
 514       request->url(), referrer, extra_data->transition_type(),
 515       FrameMsg_Navigate_Type::NORMAL, true, should_replace_current_entry,
 516       ui_timestamp, report_type, GURL(), GURL());
 517 }
 518
 519 #if !defined(OS_ANDROID) || defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
 520 media::Context3D GetSharedMainThreadContext3D() {
 521   cc::ContextProvider* provider =
 522       RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
 523   if (!provider)
 524     return media::Context3D();
 525   return media::Context3D(provider->ContextGL(), provider->GrContext());
 526 }
 527 #endif
 528
 529 bool IsReload(FrameMsg_Navigate_Type::Value navigation_type) {
 530   return navigation_type == FrameMsg_Navigate_Type::RELOAD ||
 531          navigation_type == FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE ||
 532          navigation_type == FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL;
 533 }
 534
 535 RenderFrameImpl::CreateRenderFrameImplFunction g_create_render_frame_impl =
 536     nullptr;
 537
 538 }  // namespace
 539
 540 // static
 541 RenderFrameImpl* RenderFrameImpl::Create(RenderViewImpl* render_view,
 542                                          int32 routing_id) {
 543   DCHECK(routing_id != MSG_ROUTING_NONE);
 544   CreateParams params(render_view, routing_id);
 545
 546   if (g_create_render_frame_impl)
 547     return g_create_render_frame_impl(params);
 548   else
 549     return new RenderFrameImpl(params);
 550 }
 551
 552 // static
 553 RenderFrame* RenderFrame::FromRoutingID(int routing_id) {
 554   return RenderFrameImpl::FromRoutingID(routing_id);
 555 }
 556
 557 // static
 558 RenderFrameImpl* RenderFrameImpl::FromRoutingID(int routing_id) {
 559   RoutingIDFrameMap::iterator iter =
 560       g_routing_id_frame_map.Get().find(routing_id);
 561   if (iter != g_routing_id_frame_map.Get().end())
 562     return iter->second;
 563   return NULL;
 564 }
 565
 566 // static
 567 void RenderFrameImpl::CreateFrame(
 568     int routing_id,
 569     int parent_routing_id,
 570     int previous_sibling_routing_id,
 571     int proxy_routing_id,
 572     const FrameReplicationState& replicated_state,
 573     CompositorDependencies* compositor_deps,
 574     const FrameMsg_NewFrame_WidgetParams& widget_params) {
 575   blink::WebLocalFrame* web_frame;
 576   RenderFrameImpl* render_frame;
 577   if (proxy_routing_id == MSG_ROUTING_NONE) {
 578     RenderFrameProxy* parent_proxy =
 579         RenderFrameProxy::FromRoutingID(parent_routing_id);
 580     // If the browser is sending a valid parent routing id, it should already
 581     // be created and registered.
 582     CHECK(parent_proxy);
 583     blink::WebRemoteFrame* parent_web_frame = parent_proxy->web_frame();
 584
 585     blink::WebFrame* previous_sibling_web_frame = nullptr;
 586     RenderFrameProxy* previous_sibling_proxy =
 587         RenderFrameProxy::FromRoutingID(previous_sibling_routing_id);
 588     if (previous_sibling_proxy)
 589       previous_sibling_web_frame = previous_sibling_proxy->web_frame();
 590
 591     // Create the RenderFrame and WebLocalFrame, linking the two.
 592     render_frame =
 593         RenderFrameImpl::Create(parent_proxy->render_view(), routing_id);
 594     web_frame = parent_web_frame->createLocalChild(
 595         replicated_state.scope, WebString::fromUTF8(replicated_state.name),
 596         replicated_state.sandbox_flags, render_frame,
 597         previous_sibling_web_frame);
 598   } else {
 599     RenderFrameProxy* proxy =
 600         RenderFrameProxy::FromRoutingID(proxy_routing_id);
 601     CHECK(proxy);
 602     render_frame = RenderFrameImpl::Create(proxy->render_view(), routing_id);
 603     web_frame =
 604         blink::WebLocalFrame::create(replicated_state.scope, render_frame);
 605     render_frame->proxy_routing_id_ = proxy_routing_id;
 606     web_frame->initializeToReplaceRemoteFrame(
 607         proxy->web_frame(), WebString::fromUTF8(replicated_state.name),
 608         replicated_state.sandbox_flags);
 609   }
 610   render_frame->SetWebFrame(web_frame);
 611   CHECK_IMPLIES(parent_routing_id == MSG_ROUTING_NONE, !web_frame->parent());
 612
 613   if (widget_params.routing_id != MSG_ROUTING_NONE) {
 614     CHECK(SiteIsolationPolicy::AreCrossProcessFramesPossible());
 615     render_frame->render_widget_ = RenderWidget::CreateForFrame(
 616         widget_params.routing_id, widget_params.surface_id,
 617         widget_params.hidden, render_frame->render_view_->screen_info(),
 618         compositor_deps, web_frame);
 619     // TODO(kenrb): Observing shouldn't be necessary when we sort out
 620     // WasShown and WasHidden, separating page-level visibility from
 621     // frame-level visibility.
 622     render_frame->render_widget_->RegisterRenderFrame(render_frame);
 623   }
 624
 625   render_frame->Initialize();
 626 }
 627
 628 // static
 629 RenderFrame* RenderFrame::FromWebFrame(blink::WebFrame* web_frame) {
 630   return RenderFrameImpl::FromWebFrame(web_frame);
 631 }
 632
 633 // static
 634 RenderFrameImpl* RenderFrameImpl::FromWebFrame(blink::WebFrame* web_frame) {
 635   FrameMap::iterator iter = g_frame_map.Get().find(web_frame);
 636   if (iter != g_frame_map.Get().end())
 637     return iter->second;
 638   return NULL;
 639 }
 640
 641 // static
 642 void RenderFrameImpl::InstallCreateHook(
 643     CreateRenderFrameImplFunction create_render_frame_impl) {
 644   CHECK(!g_create_render_frame_impl);
 645   g_create_render_frame_impl = create_render_frame_impl;
 646 }
 647
 648 // RenderFrameImpl ----------------------------------------------------------
 649 RenderFrameImpl::RenderFrameImpl(const CreateParams& params)
 650     : frame_(NULL),
 651       is_subframe_(false),
 652       is_local_root_(false),
 653       render_view_(params.render_view->AsWeakPtr()),
 654       routing_id_(params.routing_id),
 655       is_swapped_out_(false),
 656       render_frame_proxy_(NULL),
 657       is_detaching_(false),
 658       proxy_routing_id_(MSG_ROUTING_NONE),
 659 #if defined(ENABLE_PLUGINS)
 660       plugin_power_saver_helper_(NULL),
 661 #endif
 662       cookie_jar_(this),
 663       selection_text_offset_(0),
 664       selection_range_(gfx::Range::InvalidRange()),
 665       handling_select_range_(false),
 666       notification_permission_dispatcher_(NULL),
 667       web_user_media_client_(NULL),
 668       media_permission_dispatcher_(NULL),
 669       midi_dispatcher_(NULL),
 670 #if defined(OS_ANDROID)
 671       media_player_manager_(NULL),
 672 #endif
 673 #if defined(ENABLE_BROWSER_CDMS)
 674       cdm_manager_(NULL),
 675 #endif
 676 #if defined(VIDEO_HOLE)
 677       contains_media_player_(false),
 678 #endif
 679       devtools_agent_(nullptr),
 680       geolocation_dispatcher_(NULL),
 681       push_messaging_dispatcher_(NULL),
 682       presentation_dispatcher_(NULL),
 683       screen_orientation_dispatcher_(NULL),
 684       manifest_manager_(NULL),
 685       accessibility_mode_(AccessibilityModeOff),
 686       renderer_accessibility_(NULL),
 687       weak_factory_(this) {
 688   std::pair<RoutingIDFrameMap::iterator, bool> result =
 689       g_routing_id_frame_map.Get().insert(std::make_pair(routing_id_, this));
 690   CHECK(result.second) << "Inserting a duplicate item.";
 691
 692   RenderThread::Get()->AddRoute(routing_id_, this);
 693
 694   render_view_->RegisterRenderFrame(this);
 695
 696   // Everything below subclasses RenderFrameObserver and is automatically
 697   // deleted when the RenderFrame gets deleted.
 698 #if defined(OS_ANDROID)
 699   new GinJavaBridgeDispatcher(this);
 700 #endif
 701
 702 #if defined(ENABLE_PLUGINS)
 703   plugin_power_saver_helper_ = new PluginPowerSaverHelper(this);
 704 #endif
 705
 706   manifest_manager_ = new ManifestManager(this);
 707 }
 708
 709 RenderFrameImpl::~RenderFrameImpl() {
 710   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, RenderFrameGone());
 711   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnDestruct());
 712
 713   base::trace_event::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_);
 714
 715 #if defined(VIDEO_HOLE)
 716   if (contains_media_player_)
 717     render_view_->UnregisterVideoHoleFrame(this);
 718 #endif
 719
 720   if (!is_subframe_) {
 721     // When using swapped out frames, RenderFrameProxy is owned by
 722     // RenderFrameImpl in the case it is the main frame. Ensure it is deleted
 723     // along with this object.
 724     if (render_frame_proxy_ &&
 725         !SiteIsolationPolicy::IsSwappedOutStateForbidden()) {
 726       // The following method calls back into this object and clears
 727       // |render_frame_proxy_|.
 728       render_frame_proxy_->frameDetached(
 729           blink::WebRemoteFrameClient::DetachType::Remove);
 730     }
 731
 732     // Ensure the RenderView doesn't point to this object, once it is destroyed.
 733     // TODO(nasko): Add a check that the |main_render_frame_| of |render_view_|
 734     // is |this|, once the object is no longer leaked.
 735     // See https://crbug.com/464764.
 736     render_view_->main_render_frame_ = nullptr;
 737   }
 738
 739   render_view_->UnregisterRenderFrame(this);
 740   g_routing_id_frame_map.Get().erase(routing_id_);
 741   RenderThread::Get()->RemoveRoute(routing_id_);
 742 }
 743
 744 void RenderFrameImpl::SetWebFrame(blink::WebLocalFrame* web_frame) {
 745   DCHECK(!frame_);
 746
 747   std::pair<FrameMap::iterator, bool> result = g_frame_map.Get().insert(
 748       std::make_pair(web_frame, this));
 749   CHECK(result.second) << "Inserting a duplicate item.";
 750
 751   frame_ = web_frame;
 752 }
 753
 754 void RenderFrameImpl::Initialize() {
 755   is_subframe_ = !!frame_->parent();
 756   is_local_root_ = !frame_->parent() || frame_->parent()->isWebRemoteFrame();
 757
 758 #if defined(ENABLE_PLUGINS)
 759   new PepperBrowserConnection(this);
 760 #endif
 761   new SharedWorkerRepository(this);
 762
 763   if (is_local_root_ && !render_frame_proxy_) {
 764     // DevToolsAgent is a RenderFrameObserver, and will destruct itself
 765     // when |this| is deleted.
 766     devtools_agent_ = new DevToolsAgent(this);
 767   }
 768
 769   RegisterMojoServices();
 770
 771   // We delay calling this until we have the WebFrame so that any observer or
 772   // embedder can call GetWebFrame on any RenderFrame.
 773   GetContentClient()->renderer()->RenderFrameCreated(this);
 774 }
 775
 776 RenderWidget* RenderFrameImpl::GetRenderWidget() {
 777   return render_view_.get();
 778 }
 779
 780 #if defined(ENABLE_PLUGINS)
 781 void RenderFrameImpl::PepperPluginCreated(RendererPpapiHost* host) {
 782   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
 783                     DidCreatePepperPlugin(host));
 784   if (host->GetPluginName() == kFlashPluginName) {
 785     RenderThread::Get()->RecordAction(
 786         base::UserMetricsAction("FrameLoadWithFlash"));
 787   }
 788 }
 789
 790 void RenderFrameImpl::PepperDidChangeCursor(
 791     PepperPluginInstanceImpl* instance,
 792     const blink::WebCursorInfo& cursor) {
 793   // Update the cursor appearance immediately if the requesting plugin is the
 794   // one which receives the last mouse event. Otherwise, the new cursor won't be
 795   // picked up until the plugin gets the next input event. That is bad if, e.g.,
 796   // the plugin would like to set an invisible cursor when there isn't any user
 797   // input for a while.
 798   if (instance == render_view_->pepper_last_mouse_event_target())
 799     GetRenderWidget()->didChangeCursor(cursor);
 800 }
 801
 802 void RenderFrameImpl::PepperDidReceiveMouseEvent(
 803     PepperPluginInstanceImpl* instance) {
 804   render_view_->set_pepper_last_mouse_event_target(instance);
 805 }
 806
 807 void RenderFrameImpl::PepperTextInputTypeChanged(
 808     PepperPluginInstanceImpl* instance) {
 809   if (instance != render_view_->focused_pepper_plugin())
 810     return;
 811
 812   GetRenderWidget()->UpdateTextInputState(
 813       RenderWidget::NO_SHOW_IME, RenderWidget::FROM_NON_IME);
 814
 815   FocusedNodeChangedForAccessibility(WebNode());
 816 }
 817
 818 void RenderFrameImpl::PepperCaretPositionChanged(
 819     PepperPluginInstanceImpl* instance) {
 820   if (instance != render_view_->focused_pepper_plugin())
 821     return;
 822   GetRenderWidget()->UpdateSelectionBounds();
 823 }
 824
 825 void RenderFrameImpl::PepperCancelComposition(
 826     PepperPluginInstanceImpl* instance) {
 827   if (instance != render_view_->focused_pepper_plugin())
 828     return;
 829   Send(new InputHostMsg_ImeCancelComposition(render_view_->GetRoutingID()));;
 830 #if defined(OS_MACOSX) || defined(USE_AURA)
 831   GetRenderWidget()->UpdateCompositionInfo(true);
 832 #endif
 833 }
 834
 835 void RenderFrameImpl::PepperSelectionChanged(
 836     PepperPluginInstanceImpl* instance) {
 837   if (instance != render_view_->focused_pepper_plugin())
 838     return;
 839   SyncSelectionIfRequired();
 840 }
 841
 842 RenderWidgetFullscreenPepper* RenderFrameImpl::CreatePepperFullscreenContainer(
 843     PepperPluginInstanceImpl* plugin) {
 844   GURL active_url;
 845   if (render_view_->webview() && render_view_->webview()->mainFrame())
 846     active_url = GURL(render_view_->webview()->mainFrame()->document().url());
 847   RenderWidgetFullscreenPepper* widget = RenderWidgetFullscreenPepper::Create(
 848       GetRenderWidget()->routing_id(), GetRenderWidget()->compositor_deps(),
 849       plugin, active_url, GetRenderWidget()->screenInfo());
 850   widget->show(blink::WebNavigationPolicyIgnore);
 851   return widget;
 852 }
 853
 854 bool RenderFrameImpl::IsPepperAcceptingCompositionEvents() const {
 855   if (!render_view_->focused_pepper_plugin())
 856     return false;
 857   return render_view_->focused_pepper_plugin()->
 858       IsPluginAcceptingCompositionEvents();
 859 }
 860
 861 void RenderFrameImpl::PluginCrashed(const base::FilePath& plugin_path,
 862                                    base::ProcessId plugin_pid) {
 863   // TODO(jam): dispatch this IPC in RenderFrameHost and switch to use
 864   // routing_id_ as a result.
 865   Send(new FrameHostMsg_PluginCrashed(routing_id_, plugin_path, plugin_pid));
 866 }
 867
 868 void RenderFrameImpl::SimulateImeSetComposition(
 869     const base::string16& text,
 870     const std::vector<blink::WebCompositionUnderline>& underlines,
 871     int selection_start,
 872     int selection_end) {
 873   render_view_->OnImeSetComposition(
 874       text, underlines, selection_start, selection_end);
 875 }
 876
 877 void RenderFrameImpl::SimulateImeConfirmComposition(
 878     const base::string16& text,
 879     const gfx::Range& replacement_range) {
 880   render_view_->OnImeConfirmComposition(text, replacement_range, false);
 881 }
 882
 883 void RenderFrameImpl::OnImeSetComposition(
 884     const base::string16& text,
 885     const std::vector<blink::WebCompositionUnderline>& underlines,
 886     int selection_start,
 887     int selection_end) {
 888   // When a PPAPI plugin has focus, we bypass WebKit.
 889   if (!IsPepperAcceptingCompositionEvents()) {
 890     pepper_composition_text_ = text;
 891   } else {
 892     // TODO(kinaba) currently all composition events are sent directly to
 893     // plugins. Use DOM event mechanism after WebKit is made aware about
 894     // plugins that support composition.
 895     // The code below mimics the behavior of WebCore::Editor::setComposition.
 896
 897     // Empty -> nonempty: composition started.
 898     if (pepper_composition_text_.empty() && !text.empty()) {
 899       render_view_->focused_pepper_plugin()->HandleCompositionStart(
 900           base::string16());
 901     }
 902     // Nonempty -> empty: composition canceled.
 903     if (!pepper_composition_text_.empty() && text.empty()) {
 904       render_view_->focused_pepper_plugin()->HandleCompositionEnd(
 905           base::string16());
 906     }
 907     pepper_composition_text_ = text;
 908     // Nonempty: composition is ongoing.
 909     if (!pepper_composition_text_.empty()) {
 910       render_view_->focused_pepper_plugin()->HandleCompositionUpdate(
 911           pepper_composition_text_, underlines, selection_start,
 912           selection_end);
 913     }
 914   }
 915 }
 916
 917 void RenderFrameImpl::OnImeConfirmComposition(
 918     const base::string16& text,
 919     const gfx::Range& replacement_range,
 920     bool keep_selection) {
 921   // When a PPAPI plugin has focus, we bypass WebKit.
 922   // Here, text.empty() has a special meaning. It means to commit the last
 923   // update of composition text (see
 924   // RenderWidgetHost::ImeConfirmComposition()).
 925   const base::string16& last_text = text.empty() ? pepper_composition_text_
 926                                                  : text;
 927
 928   // last_text is empty only when both text and pepper_composition_text_ is.
 929   // Ignore it.
 930   if (last_text.empty())
 931     return;
 932
 933   if (!IsPepperAcceptingCompositionEvents()) {
 934     base::i18n::UTF16CharIterator iterator(&last_text);
 935     int32 i = 0;
 936     while (iterator.Advance()) {
 937       blink::WebKeyboardEvent char_event;
 938       char_event.type = blink::WebInputEvent::Char;
 939       char_event.timeStampSeconds = base::Time::Now().ToDoubleT();
 940       char_event.modifiers = 0;
 941       char_event.windowsKeyCode = last_text[i];
 942       char_event.nativeKeyCode = last_text[i];
 943
 944       const int32 char_start = i;
 945       for (; i < iterator.array_pos(); ++i) {
 946         char_event.text[i - char_start] = last_text[i];
 947         char_event.unmodifiedText[i - char_start] = last_text[i];
 948       }
 949
 950       if (GetRenderWidget()->webwidget())
 951         GetRenderWidget()->webwidget()->handleInputEvent(char_event);
 952     }
 953   } else {
 954     // Mimics the order of events sent by WebKit.
 955     // See WebCore::Editor::setComposition() for the corresponding code.
 956     render_view_->focused_pepper_plugin()->HandleCompositionEnd(last_text);
 957     render_view_->focused_pepper_plugin()->HandleTextInput(last_text);
 958   }
 959   pepper_composition_text_.clear();
 960 }
 961 #endif  // defined(ENABLE_PLUGINS)
 962
 963 MediaStreamDispatcher* RenderFrameImpl::GetMediaStreamDispatcher() {
 964   if (!web_user_media_client_)
 965     InitializeUserMediaClient();
 966   return web_user_media_client_ ?
 967       web_user_media_client_->media_stream_dispatcher() : NULL;
 968 }
 969
 970 bool RenderFrameImpl::Send(IPC::Message* message) {
 971   if (is_detaching_) {
 972     delete message;
 973     return false;
 974   }
 975   if (is_swapped_out_) {
 976     if (!SwappedOutMessages::CanSendWhileSwappedOut(message)) {
 977       delete message;
 978       return false;
 979     }
 980   }
 981
 982   return RenderThread::Get()->Send(message);
 983 }
 984
 985 #if defined(OS_MACOSX) || defined(OS_ANDROID)
 986 void RenderFrameImpl::DidHideExternalPopupMenu() {
 987   // We need to clear external_popup_menu_ as soon as ExternalPopupMenu::close
 988   // is called. Otherwise, createExternalPopupMenu() for new popup will fail.
 989   external_popup_menu_.reset();
 990 }
 991 #endif
 992
 993 bool RenderFrameImpl::OnMessageReceived(const IPC::Message& msg) {
 994   // We may get here while detaching, when the WebFrame has been deleted.  Do
 995   // not process any messages in this state.
 996   if (!frame_)
 997     return false;
 998
 999   // TODO(kenrb): document() should not be null, but as a transitional step
1000   // we have RenderFrameProxy 'wrapping' a RenderFrameImpl, passing messages
1001   // to this method. This happens for a top-level remote frame, where a
1002   // document-less RenderFrame is replaced by a RenderFrameProxy but kept
1003   // around and is still able to receive messages.
1004   if (!frame_->document().isNull())
1005     GetContentClient()->SetActiveURL(frame_->document().url());
1006
1007   base::ObserverListBase<RenderFrameObserver>::Iterator it(&observers_);
1008   RenderFrameObserver* observer;
1009   while ((observer = it.GetNext()) != NULL) {
1010     if (observer->OnMessageReceived(msg))
1011       return true;
1012   }
1013
1014   bool handled = true;
1015   IPC_BEGIN_MESSAGE_MAP(RenderFrameImpl, msg)
1016     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
1017     IPC_MESSAGE_HANDLER(FrameMsg_BeforeUnload, OnBeforeUnload)
1018     IPC_MESSAGE_HANDLER(FrameMsg_SwapOut, OnSwapOut)
1019     IPC_MESSAGE_HANDLER(FrameMsg_Stop, OnStop)
1020     IPC_MESSAGE_HANDLER(FrameMsg_ContextMenuClosed, OnContextMenuClosed)
1021     IPC_MESSAGE_HANDLER(FrameMsg_CustomContextMenuAction,
1022                         OnCustomContextMenuAction)
1023     IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo)
1024     IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo)
1025     IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut)
1026     IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy)
1027     IPC_MESSAGE_HANDLER(InputMsg_Paste, OnPaste)
1028     IPC_MESSAGE_HANDLER(InputMsg_PasteAndMatchStyle, OnPasteAndMatchStyle)
1029     IPC_MESSAGE_HANDLER(InputMsg_Delete, OnDelete)
1030     IPC_MESSAGE_HANDLER(InputMsg_SelectAll, OnSelectAll)
1031     IPC_MESSAGE_HANDLER(InputMsg_SelectRange, OnSelectRange)
1032     IPC_MESSAGE_HANDLER(InputMsg_AdjustSelectionByCharacterOffset,
1033                         OnAdjustSelectionByCharacterOffset)
1034     IPC_MESSAGE_HANDLER(InputMsg_Unselect, OnUnselect)
1035     IPC_MESSAGE_HANDLER(InputMsg_MoveRangeSelectionExtent,
1036                         OnMoveRangeSelectionExtent)
1037     IPC_MESSAGE_HANDLER(InputMsg_Replace, OnReplace)
1038     IPC_MESSAGE_HANDLER(InputMsg_ReplaceMisspelling, OnReplaceMisspelling)
1039     IPC_MESSAGE_HANDLER(InputMsg_ExtendSelectionAndDelete,
1040                         OnExtendSelectionAndDelete)
1041     IPC_MESSAGE_HANDLER(InputMsg_SetCompositionFromExistingText,
1042                         OnSetCompositionFromExistingText)
1043     IPC_MESSAGE_HANDLER(InputMsg_ExecuteNoValueEditCommand,
1044                         OnExecuteNoValueEditCommand)
1045     IPC_MESSAGE_HANDLER(FrameMsg_CSSInsertRequest, OnCSSInsertRequest)
1046     IPC_MESSAGE_HANDLER(FrameMsg_AddMessageToConsole, OnAddMessageToConsole)
1047     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequest,
1048                         OnJavaScriptExecuteRequest)
1049     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequestForTests,
1050                         OnJavaScriptExecuteRequestForTests)
1051     IPC_MESSAGE_HANDLER(FrameMsg_JavaScriptExecuteRequestInIsolatedWorld,
1052                         OnJavaScriptExecuteRequestInIsolatedWorld)
1053     IPC_MESSAGE_HANDLER(FrameMsg_VisualStateRequest,
1054                         OnVisualStateRequest)
1055     IPC_MESSAGE_HANDLER(FrameMsg_SetEditableSelectionOffsets,
1056                         OnSetEditableSelectionOffsets)
1057     IPC_MESSAGE_HANDLER(FrameMsg_Reload, OnReload)
1058     IPC_MESSAGE_HANDLER(FrameMsg_TextSurroundingSelectionRequest,
1059                         OnTextSurroundingSelectionRequest)
1060     IPC_MESSAGE_HANDLER(FrameMsg_SetAccessibilityMode,
1061                         OnSetAccessibilityMode)
1062     IPC_MESSAGE_HANDLER(AccessibilityMsg_SnapshotTree,
1063                         OnSnapshotAccessibilityTree)
1064     IPC_MESSAGE_HANDLER(FrameMsg_DisownOpener, OnDisownOpener)
1065     IPC_MESSAGE_HANDLER(FrameMsg_CommitNavigation, OnCommitNavigation)
1066     IPC_MESSAGE_HANDLER(FrameMsg_DidUpdateSandboxFlags, OnDidUpdateSandboxFlags)
1067     IPC_MESSAGE_HANDLER(FrameMsg_SetTextTrackSettings,
1068                         OnTextTrackSettingsChanged)
1069     IPC_MESSAGE_HANDLER(FrameMsg_PostMessageEvent, OnPostMessageEvent)
1070     IPC_MESSAGE_HANDLER(FrameMsg_FailedNavigation, OnFailedNavigation)
1071 #if defined(OS_ANDROID)
1072     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItems, OnSelectPopupMenuItems)
1073 #elif defined(OS_MACOSX)
1074     IPC_MESSAGE_HANDLER(FrameMsg_SelectPopupMenuItem, OnSelectPopupMenuItem)
1075     IPC_MESSAGE_HANDLER(InputMsg_CopyToFindPboard, OnCopyToFindPboard)
1076 #endif
1077   IPC_END_MESSAGE_MAP()
1078
1079   return handled;
1080 }
1081
1082 void RenderFrameImpl::OnNavigate(
1083     const CommonNavigationParams& common_params,
1084     const StartNavigationParams& start_params,
1085     const RequestNavigationParams& request_params) {
1086   DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(
1087       switches::kEnableBrowserSideNavigation));
1088   TRACE_EVENT2("navigation", "RenderFrameImpl::OnNavigate", "id", routing_id_,
1089                "url", common_params.url.possibly_invalid_spec());
1090   NavigateInternal(common_params, start_params, request_params,
1091                    scoped_ptr<StreamOverrideParameters>());
1092 }
1093
1094 void RenderFrameImpl::NavigateToSwappedOutURL() {
1095   // We use loadRequest instead of loadHTMLString because the former commits
1096   // synchronously.  Otherwise a new navigation can interrupt the navigation
1097   // to kSwappedOutURL. If that happens to be to the page we had been
1098   // showing, then WebKit will never send a commit and we'll be left spinning.
1099   // Set the is_swapped_out_ bit to true, so IPC filtering is in effect and
1100   // the navigation to swappedout:// is not announced to the browser side.
1101   is_swapped_out_ = true;
1102   GURL swappedOutURL(kSwappedOutURL);
1103   WebURLRequest request(swappedOutURL);
1104   frame_->loadRequest(request);
1105 }
1106
1107 void RenderFrameImpl::BindServiceRegistry(
1108     mojo::InterfaceRequest<mojo::ServiceProvider> services,
1109     mojo::ServiceProviderPtr exposed_services) {
1110   service_registry_.Bind(services.Pass());
1111   service_registry_.BindRemoteServiceProvider(exposed_services.Pass());
1112 }
1113
1114 ManifestManager* RenderFrameImpl::manifest_manager() {
1115   return manifest_manager_;
1116 }
1117
1118 void RenderFrameImpl::SetPendingNavigationParams(
1119     scoped_ptr<NavigationParams> navigation_params) {
1120   pending_navigation_params_ = navigation_params.Pass();
1121 }
1122
1123 void RenderFrameImpl::OnBeforeUnload() {
1124   TRACE_EVENT1("navigation", "RenderFrameImpl::OnBeforeUnload",
1125                "id", routing_id_);
1126   // TODO(creis): Right now, this is only called on the main frame.  Make the
1127   // browser process send dispatchBeforeUnloadEvent to every frame that needs
1128   // it.
1129   CHECK(!frame_->parent());
1130
1131   base::TimeTicks before_unload_start_time = base::TimeTicks::Now();
1132   bool proceed = frame_->dispatchBeforeUnloadEvent();
1133   base::TimeTicks before_unload_end_time = base::TimeTicks::Now();
1134   Send(new FrameHostMsg_BeforeUnload_ACK(routing_id_, proceed,
1135                                          before_unload_start_time,
1136                                          before_unload_end_time));
1137 }
1138
1139 void RenderFrameImpl::OnSwapOut(
1140     int proxy_routing_id,
1141     bool is_loading,
1142     const FrameReplicationState& replicated_frame_state) {
1143   TRACE_EVENT1("navigation", "RenderFrameImpl::OnSwapOut", "id", routing_id_);
1144   RenderFrameProxy* proxy = NULL;
1145   bool swapped_out_forbidden =
1146       SiteIsolationPolicy::IsSwappedOutStateForbidden();
1147   bool is_main_frame = !frame_->parent();
1148
1149   // This codepath should only be hit for subframes when in --site-per-process.
1150   CHECK_IMPLIES(!is_main_frame,
1151                 SiteIsolationPolicy::AreCrossProcessFramesPossible());
1152
1153   // Only run unload if we're not swapped out yet, but send the ack either way.
1154   if (!is_swapped_out_) {
1155     // Swap this RenderFrame out so the frame can navigate to a page rendered by
1156     // a different process.  This involves running the unload handler and
1157     // clearing the page.  We also allow this process to exit if there are no
1158     // other active RenderFrames in it.
1159
1160     // Send an UpdateState message before we get swapped out.
1161     render_view_->SendUpdateState();
1162
1163     // If we need a proxy to replace this, create it now so its routing id is
1164     // registered for receiving IPC messages.
1165     if (proxy_routing_id != MSG_ROUTING_NONE) {
1166       proxy = RenderFrameProxy::CreateProxyToReplaceFrame(
1167           this, proxy_routing_id, replicated_frame_state.scope);
1168     }
1169
1170     // Synchronously run the unload handler before sending the ACK.
1171     // TODO(creis): Call dispatchUnloadEvent unconditionally here to support
1172     // unload on subframes as well.
1173     if (is_main_frame)
1174       frame_->dispatchUnloadEvent();
1175
1176     // Swap out and stop sending any IPC messages that are not ACKs.
1177     if (is_main_frame)
1178       render_view_->SetSwappedOut(true);
1179     is_swapped_out_ = true;
1180
1181     // Set the proxy here, since OnStop() below could cause an onload event
1182     // handler to execute, which could trigger code such as
1183     // willCheckAndDispatchMessageEvent() that needs the proxy.
1184     if (proxy)
1185       set_render_frame_proxy(proxy);
1186
1187     // Now that we're swapped out and filtering IPC messages, stop loading to
1188     // ensure that no other in-progress navigation continues.  We do this here
1189     // to avoid sending a DidStopLoading message to the browser process.
1190     // TODO(creis): Should we be stopping all frames here and using
1191     // StopAltErrorPageFetcher with RenderView::OnStop, or just stopping this
1192     // frame?
1193     if (!swapped_out_forbidden)
1194       OnStop();
1195
1196     // Transfer settings such as initial drawing parameters to the remote frame,
1197     // if one is created, that will replace this frame.
1198     if (!is_main_frame && proxy)
1199       proxy->web_frame()->initializeFromFrame(frame_);
1200
1201     // Replace the page with a blank dummy URL. The unload handler will not be
1202     // run a second time, thanks to a check in FrameLoader::stopLoading.
1203     // TODO(creis): Need to add a better way to do this that avoids running the
1204     // beforeunload handler. For now, we just run it a second time silently.
1205     if (!swapped_out_forbidden)
1206       NavigateToSwappedOutURL();
1207
1208     // Let WebKit know that this view is hidden so it can drop resources and
1209     // stop compositing.
1210     // TODO(creis): Support this for subframes as well.
1211     if (is_main_frame) {
1212       render_view_->webview()->setVisibilityState(
1213           blink::WebPageVisibilityStateHidden, false);
1214     }
1215   }
1216
1217   // It is now safe to show modal dialogs again.
1218   // TODO(creis): Deal with modal dialogs from subframes.
1219   if (is_main_frame)
1220     render_view_->suppress_dialogs_until_swap_out_ = false;
1221
1222   Send(new FrameHostMsg_SwapOut_ACK(routing_id_));
1223
1224   RenderViewImpl* render_view = render_view_.get();
1225
1226   // Now that all of the cleanup is complete and the browser side is notified,
1227   // start using the RenderFrameProxy, if one is created.
1228   if (proxy && swapped_out_forbidden) {
1229     frame_->swap(proxy->web_frame());
1230
1231     if (is_loading)
1232       proxy->OnDidStartLoading();
1233   }
1234
1235   // In --site-per-process, initialize the WebRemoteFrame with the replication
1236   // state passed by the process that is now rendering the frame.
1237   // TODO(alexmos): We cannot yet do this for swapped-out main frames, because
1238   // in that case we leave the LocalFrame as the main frame visible to Blink
1239   // and don't call swap() above. Because swap() is what creates a RemoteFrame
1240   // in proxy->web_frame(), the RemoteFrame will not exist for main frames.
1241   // When we do an unconditional swap for all frames, we can remove
1242   // !is_main_frame below.
1243   if (proxy && swapped_out_forbidden)
1244     proxy->SetReplicatedState(replicated_frame_state);
1245
1246   // Safe to exit if no one else is using the process.
1247   // TODO(nasko): Remove the dependency on RenderViewImpl here and ref count
1248   // the process based on the lifetime of this RenderFrameImpl object.
1249   if (is_main_frame) {
1250     render_view->WasSwappedOut();
1251   }
1252 }
1253
1254 void RenderFrameImpl::OnContextMenuClosed(
1255     const CustomContextMenuContext& custom_context) {
1256   if (custom_context.request_id) {
1257     // External request, should be in our map.
1258     ContextMenuClient* client =
1259         pending_context_menus_.Lookup(custom_context.request_id);
1260     if (client) {
1261       client->OnMenuClosed(custom_context.request_id);
1262       pending_context_menus_.Remove(custom_context.request_id);
1263     }
1264   } else {
1265     if (custom_context.link_followed.is_valid())
1266         frame_->sendPings(context_menu_node_, custom_context.link_followed);
1267     // Internal request, forward to WebKit.
1268     context_menu_node_.reset();
1269   }
1270 }
1271
1272 void RenderFrameImpl::OnCustomContextMenuAction(
1273     const CustomContextMenuContext& custom_context,
1274     unsigned action) {
1275   if (custom_context.request_id) {
1276     // External context menu request, look in our map.
1277     ContextMenuClient* client =
1278         pending_context_menus_.Lookup(custom_context.request_id);
1279     if (client)
1280       client->OnMenuAction(custom_context.request_id, action);
1281   } else {
1282     // Internal request, forward to WebKit.
1283     render_view_->webview()->performCustomContextMenuAction(action);
1284   }
1285 }
1286
1287 void RenderFrameImpl::OnUndo() {
1288   frame_->executeCommand(WebString::fromUTF8("Undo"), GetFocusedElement());
1289 }
1290
1291 void RenderFrameImpl::OnRedo() {
1292   frame_->executeCommand(WebString::fromUTF8("Redo"), GetFocusedElement());
1293 }
1294
1295 void RenderFrameImpl::OnCut() {
1296   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1297   frame_->executeCommand(WebString::fromUTF8("Cut"), GetFocusedElement());
1298 }
1299
1300 void RenderFrameImpl::OnCopy() {
1301   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1302   WebNode current_node = context_menu_node_.isNull() ?
1303       GetFocusedElement() : context_menu_node_;
1304   frame_->executeCommand(WebString::fromUTF8("Copy"), current_node);
1305 }
1306
1307 void RenderFrameImpl::OnPaste() {
1308   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1309   frame_->executeCommand(WebString::fromUTF8("Paste"), GetFocusedElement());
1310 }
1311
1312 void RenderFrameImpl::OnPasteAndMatchStyle() {
1313   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1314   frame_->executeCommand(
1315       WebString::fromUTF8("PasteAndMatchStyle"), GetFocusedElement());
1316 }
1317
1318 #if defined(OS_MACOSX)
1319 void RenderFrameImpl::OnCopyToFindPboard() {
1320   // Since the find pasteboard supports only plain text, this can be simpler
1321   // than the |OnCopy()| case.
1322   if (frame_->hasSelection()) {
1323     base::string16 selection = frame_->selectionAsText();
1324     RenderThread::Get()->Send(
1325         new ClipboardHostMsg_FindPboardWriteStringAsync(selection));
1326   }
1327 }
1328 #endif
1329
1330 void RenderFrameImpl::OnDelete() {
1331   frame_->executeCommand(WebString::fromUTF8("Delete"), GetFocusedElement());
1332 }
1333
1334 void RenderFrameImpl::OnSelectAll() {
1335   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1336   frame_->executeCommand(WebString::fromUTF8("SelectAll"), GetFocusedElement());
1337 }
1338
1339 void RenderFrameImpl::OnSelectRange(const gfx::Point& base,
1340                                     const gfx::Point& extent) {
1341   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1342   Send(new InputHostMsg_SelectRange_ACK(GetRenderWidget()->routing_id()));
1343
1344   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1345   frame_->selectRange(base, extent);
1346 }
1347
1348 void RenderFrameImpl::OnAdjustSelectionByCharacterOffset(int start_adjust,
1349                                                          int end_adjust) {
1350   size_t start, length;
1351   if (!GetRenderWidget()->webwidget()->caretOrSelectionRange(
1352       &start, &length)) {
1353     return;
1354   }
1355
1356   // Sanity checks to disallow empty and out of range selections.
1357   if (start_adjust - end_adjust > static_cast<int>(length)
1358       || static_cast<int>(start) + start_adjust < 0) {
1359     return;
1360   }
1361
1362   // A negative adjust amount moves the selection towards the beginning of
1363   // the document, a positive amount moves the selection towards the end of
1364   // the document.
1365   start += start_adjust;
1366   length += end_adjust - start_adjust;
1367
1368   frame_->selectRange(WebRange::fromDocumentRange(frame_, start, length));
1369 }
1370
1371 void RenderFrameImpl::OnUnselect() {
1372   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1373   frame_->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedElement());
1374 }
1375
1376 void RenderFrameImpl::OnMoveRangeSelectionExtent(const gfx::Point& point) {
1377   // This IPC is dispatched by RenderWidgetHost, so use its routing id.
1378   Send(new InputHostMsg_MoveRangeSelectionExtent_ACK(
1379       GetRenderWidget()->routing_id()));
1380
1381   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1382   frame_->moveRangeSelectionExtent(point);
1383 }
1384
1385 void RenderFrameImpl::OnReplace(const base::string16& text) {
1386   if (!frame_->hasSelection())
1387     frame_->selectWordAroundCaret();
1388
1389   frame_->replaceSelection(text);
1390 }
1391
1392 void RenderFrameImpl::OnReplaceMisspelling(const base::string16& text) {
1393   if (!frame_->hasSelection())
1394     return;
1395
1396   frame_->replaceMisspelledRange(text);
1397 }
1398
1399 void RenderFrameImpl::OnCSSInsertRequest(const std::string& css) {
1400   frame_->document().insertStyleSheet(WebString::fromUTF8(css));
1401 }
1402
1403 void RenderFrameImpl::OnAddMessageToConsole(ConsoleMessageLevel level,
1404                                             const std::string& message) {
1405   AddMessageToConsole(level, message);
1406 }
1407
1408 void RenderFrameImpl::OnJavaScriptExecuteRequest(
1409     const base::string16& jscript,
1410     int id,
1411     bool notify_result) {
1412   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequest",
1413                        TRACE_EVENT_SCOPE_THREAD);
1414
1415   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1416   v8::Local<v8::Value> result =
1417       frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
1418
1419   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1420 }
1421
1422 void RenderFrameImpl::OnJavaScriptExecuteRequestForTests(
1423     const base::string16& jscript,
1424     int id,
1425     bool notify_result,
1426     bool has_user_gesture) {
1427   TRACE_EVENT_INSTANT0("test_tracing", "OnJavaScriptExecuteRequestForTests",
1428                        TRACE_EVENT_SCOPE_THREAD);
1429
1430   // A bunch of tests expect to run code in the context of a user gesture, which
1431   // can grant additional privileges (e.g. the ability to create popups).
1432   scoped_ptr<blink::WebScopedUserGesture> gesture(
1433       has_user_gesture ? new blink::WebScopedUserGesture : nullptr);
1434   v8::HandleScope handle_scope(blink::mainThreadIsolate());
1435   v8::Local<v8::Value> result =
1436       frame_->executeScriptAndReturnValue(WebScriptSource(jscript));
1437
1438   HandleJavascriptExecutionResult(jscript, id, notify_result, result);
1439 }
1440
1441 void RenderFrameImpl::OnJavaScriptExecuteRequestInIsolatedWorld(
1442     const base::string16& jscript,
1443     int id,
1444     bool notify_result,
1445     int world_id) {
1446   TRACE_EVENT_INSTANT0("test_tracing",
1447                        "OnJavaScriptExecuteRequestInIsolatedWorld",
1448                        TRACE_EVENT_SCOPE_THREAD);
1449
1450   if (world_id <= ISOLATED_WORLD_ID_GLOBAL ||
1451       world_id > ISOLATED_WORLD_ID_MAX) {
1452     // Return if the world_id is not valid. world_id is passed as a plain int
1453     // over IPC and needs to be verified here, in the IPC endpoint.
1454     NOTREACHED();
1455     return;
1456   }
1457
1458   v8::HandleScope handle_scope(v8::Isolate::GetCurrent());
1459   WebScriptSource script = WebScriptSource(jscript);
1460   JavaScriptIsolatedWorldRequest* request = new JavaScriptIsolatedWorldRequest(
1461       id, notify_result, routing_id_, weak_factory_.GetWeakPtr());
1462   frame_->requestExecuteScriptInIsolatedWorld(world_id, &script, 1, 0, false,
1463                                               request);
1464 }
1465
1466 RenderFrameImpl::JavaScriptIsolatedWorldRequest::JavaScriptIsolatedWorldRequest(
1467     int id,
1468     bool notify_result,
1469     int routing_id,
1470     base::WeakPtr<RenderFrameImpl> render_frame_impl)
1471     : id_(id),
1472       notify_result_(notify_result),
1473       routing_id_(routing_id),
1474       render_frame_impl_(render_frame_impl) {
1475 }
1476
1477 RenderFrameImpl::JavaScriptIsolatedWorldRequest::
1478     ~JavaScriptIsolatedWorldRequest() {
1479 }
1480
1481 void RenderFrameImpl::JavaScriptIsolatedWorldRequest::completed(
1482     const blink::WebVector<v8::Local<v8::Value>>& result) {
1483   if (!render_frame_impl_.get()) {
1484     return;
1485   }
1486
1487   if (notify_result_) {
1488     base::ListValue list;
1489     if (!result.isEmpty()) {
1490       // It's safe to always use the main world context when converting
1491       // here. V8ValueConverterImpl shouldn't actually care about the
1492       // context scope, and it switches to v8::Object's creation context
1493       // when encountered. (from extensions/renderer/script_injection.cc)
1494       v8::Local<v8::Context> context =
1495           render_frame_impl_.get()->frame_->mainWorldScriptContext();
1496       v8::Context::Scope context_scope(context);
1497       V8ValueConverterImpl converter;
1498       converter.SetDateAllowed(true);
1499       converter.SetRegExpAllowed(true);
1500       for (const auto& value : result) {
1501         scoped_ptr<base::Value> result_value(
1502             converter.FromV8Value(value, context));
1503         list.Append(result_value ? result_value.Pass()
1504                                  : base::Value::CreateNullValue());
1505       }
1506     } else {
1507       list.Set(0, base::Value::CreateNullValue());
1508     }
1509     render_frame_impl_.get()->Send(
1510         new FrameHostMsg_JavaScriptExecuteResponse(routing_id_, id_, list));
1511   }
1512
1513   delete this;
1514 }
1515
1516 void RenderFrameImpl::HandleJavascriptExecutionResult(
1517     const base::string16& jscript,
1518     int id,
1519     bool notify_result,
1520     v8::Local<v8::Value> result) {
1521   if (notify_result) {
1522     base::ListValue list;
1523     if (!result.IsEmpty()) {
1524       v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
1525       v8::Context::Scope context_scope(context);
1526       V8ValueConverterImpl converter;
1527       converter.SetDateAllowed(true);
1528       converter.SetRegExpAllowed(true);
1529       scoped_ptr<base::Value> result_value(
1530           converter.FromV8Value(result, context));
1531       list.Set(0, result_value ? result_value.Pass()
1532                                : base::Value::CreateNullValue());
1533     } else {
1534       list.Set(0, base::Value::CreateNullValue());
1535     }
1536     Send(new FrameHostMsg_JavaScriptExecuteResponse(routing_id_, id, list));
1537   }
1538 }
1539
1540 void RenderFrameImpl::OnVisualStateRequest(uint64 id) {
1541   GetRenderWidget()->QueueMessage(
1542       new FrameHostMsg_VisualStateResponse(routing_id_, id),
1543       MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE);
1544 }
1545
1546 void RenderFrameImpl::OnSetEditableSelectionOffsets(int start, int end) {
1547   base::AutoReset<bool> handling_select_range(&handling_select_range_, true);
1548   if (!GetRenderWidget()->ShouldHandleImeEvent())
1549     return;
1550   ImeEventGuard guard(GetRenderWidget());
1551   frame_->setEditableSelectionOffsets(start, end);
1552 }
1553
1554 void RenderFrameImpl::OnSetCompositionFromExistingText(
1555     int start, int end,
1556     const std::vector<blink::WebCompositionUnderline>& underlines) {
1557   if (!GetRenderWidget()->ShouldHandleImeEvent())
1558     return;
1559   ImeEventGuard guard(GetRenderWidget());
1560   frame_->setCompositionFromExistingText(start, end, underlines);
1561 }
1562
1563 void RenderFrameImpl::OnExecuteNoValueEditCommand(const std::string& name) {
1564   frame_->executeCommand(WebString::fromUTF8(name), GetFocusedElement());
1565 }
1566
1567 void RenderFrameImpl::OnExtendSelectionAndDelete(int before, int after) {
1568   if (!GetRenderWidget()->ShouldHandleImeEvent())
1569     return;
1570
1571   DCHECK(!WebUserGestureIndicator::isProcessingUserGesture());
1572
1573   ImeEventGuard guard(GetRenderWidget());
1574   blink::WebScopedUserGesture gesture_indicator;
1575   frame_->extendSelectionAndDelete(before, after);
1576 }
1577
1578 void RenderFrameImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) {
1579   if (accessibility_mode_ == new_mode)
1580     return;
1581   accessibility_mode_ = new_mode;
1582   if (renderer_accessibility_) {
1583     // Note: this isn't called automatically by the destructor because
1584     // there'd be no point in calling it in frame teardown, only if there's
1585     // an accessibility mode change but the frame is persisting.
1586     renderer_accessibility_->DisableAccessibility();
1587
1588     delete renderer_accessibility_;
1589     renderer_accessibility_ = NULL;
1590   }
1591   if (accessibility_mode_ == AccessibilityModeOff)
1592     return;
1593
1594   if (accessibility_mode_ & AccessibilityModeFlagFullTree)
1595     renderer_accessibility_ = new RendererAccessibility(this);
1596 }
1597
1598 void RenderFrameImpl::OnSnapshotAccessibilityTree(int callback_id) {
1599   ui::AXTreeUpdate<AXContentNodeData> response;
1600   RendererAccessibility::SnapshotAccessibilityTree(this, &response);
1601   Send(new AccessibilityHostMsg_SnapshotResponse(
1602       routing_id_, callback_id, response));
1603 }
1604
1605 void RenderFrameImpl::OnDisownOpener() {
1606   // TODO(creis): We should only see this for main frames for now.  To support
1607   // disowning the opener on subframes, we will need to move WebContentsImpl's
1608   // opener_ to FrameTreeNode.
1609   CHECK(!frame_->parent());
1610
1611   if (frame_->opener())
1612     frame_->setOpener(NULL);
1613 }
1614
1615 void RenderFrameImpl::OnDidUpdateSandboxFlags(blink::WebSandboxFlags flags) {
1616   frame_->setFrameOwnerSandboxFlags(flags);
1617 }
1618
1619 void RenderFrameImpl::OnTextTrackSettingsChanged(
1620     const FrameMsg_TextTrackSettings_Params& params) {
1621   DCHECK(!frame_->parent());
1622   if (!render_view_->webview())
1623     return;
1624
1625   if (params.text_tracks_enabled) {
1626       render_view_->webview()->settings()->setTextTrackKindUserPreference(
1627           WebSettings::TextTrackKindUserPreference::Captions);
1628   } else {
1629       render_view_->webview()->settings()->setTextTrackKindUserPreference(
1630           WebSettings::TextTrackKindUserPreference::Default);
1631   }
1632   render_view_->webview()->settings()->setTextTrackBackgroundColor(
1633       WebString::fromUTF8(params.text_track_background_color));
1634   render_view_->webview()->settings()->setTextTrackFontFamily(
1635       WebString::fromUTF8(params.text_track_font_family));
1636   render_view_->webview()->settings()->setTextTrackFontStyle(
1637       WebString::fromUTF8(params.text_track_font_style));
1638   render_view_->webview()->settings()->setTextTrackFontVariant(
1639       WebString::fromUTF8(params.text_track_font_variant));
1640   render_view_->webview()->settings()->setTextTrackTextColor(
1641       WebString::fromUTF8(params.text_track_text_color));
1642   render_view_->webview()->settings()->setTextTrackTextShadow(
1643       WebString::fromUTF8(params.text_track_text_shadow));
1644   render_view_->webview()->settings()->setTextTrackTextSize(
1645       WebString::fromUTF8(params.text_track_text_size));
1646 }
1647
1648 void RenderFrameImpl::OnPostMessageEvent(
1649     const FrameMsg_PostMessage_Params& params) {
1650   // Find the source frame if it exists.
1651   WebFrame* source_frame = NULL;
1652   if (params.source_view_routing_id != MSG_ROUTING_NONE) {
1653     // Support a legacy postMessage path for specifying a source RenderView;
1654     // this is currently used when sending messages to Android WebView.
1655     // TODO(alexmos): This path can be removed once crbug.com/473258 is fixed.
1656     RenderViewImpl* source_view =
1657         RenderViewImpl::FromRoutingID(params.source_view_routing_id);
1658     if (source_view)
1659       source_frame = source_view->webview()->mainFrame();
1660   } else if (params.source_routing_id != MSG_ROUTING_NONE) {
1661     RenderFrameProxy* source_proxy =
1662         RenderFrameProxy::FromRoutingID(params.source_routing_id);
1663     if (source_proxy) {
1664       // Currently, navigating a top-level frame cross-process does not swap
1665       // the WebLocalFrame for a WebRemoteFrame in the frame tree, and the
1666       // WebRemoteFrame will not have an associated blink::Frame. If this is
1667       // the case for |source_proxy|, use the corresponding (swapped-out)
1668       // WebLocalFrame instead, so that event.source for this message can be
1669       // set and used properly.
1670       if (source_proxy->IsMainFrameDetachedFromTree())
1671         source_frame = source_proxy->render_view()->webview()->mainFrame();
1672       else
1673         source_frame = source_proxy->web_frame();
1674     }
1675   }
1676
1677   // If the message contained MessagePorts, create the corresponding endpoints.
1678   blink::WebMessagePortChannelArray channels =
1679       WebMessagePortChannelImpl::CreatePorts(
1680           params.message_ports, params.new_routing_ids,
1681           base::ThreadTaskRunnerHandle::Get().get());
1682
1683   WebSerializedScriptValue serialized_script_value;
1684   if (params.is_data_raw_string) {
1685     v8::HandleScope handle_scope(blink::mainThreadIsolate());
1686     v8::Local<v8::Context> context = frame_->mainWorldScriptContext();
1687     v8::Context::Scope context_scope(context);
1688     V8ValueConverterImpl converter;
1689     converter.SetDateAllowed(true);
1690     converter.SetRegExpAllowed(true);
1691     scoped_ptr<base::Value> value(new base::StringValue(params.data));
1692     v8::Local<v8::Value> result_value = converter.ToV8Value(value.get(),
1693                                                              context);
1694     serialized_script_value = WebSerializedScriptValue::serialize(result_value);
1695   } else {
1696     serialized_script_value = WebSerializedScriptValue::fromString(params.data);
1697   }
1698
1699   // Create an event with the message.  The next-to-last parameter to
1700   // initMessageEvent is the last event ID, which is not used with postMessage.
1701   WebDOMEvent event = frame_->document().createEvent("MessageEvent");
1702   WebDOMMessageEvent msg_event = event.to<WebDOMMessageEvent>();
1703   msg_event.initMessageEvent("message",
1704                              // |canBubble| and |cancellable| are always false
1705                              false, false,
1706                              serialized_script_value,
1707                              params.source_origin, source_frame, "", channels);
1708
1709   // We must pass in the target_origin to do the security check on this side,
1710   // since it may have changed since the original postMessage call was made.
1711   WebSecurityOrigin target_origin;
1712   if (!params.target_origin.empty()) {
1713     target_origin =
1714         WebSecurityOrigin::createFromString(WebString(params.target_origin));
1715   }
1716   frame_->dispatchMessageEventWithOriginCheck(target_origin, msg_event);
1717 }
1718
1719 #if defined(OS_ANDROID)
1720 void RenderFrameImpl::OnSelectPopupMenuItems(
1721     bool canceled,
1722     const std::vector<int>& selected_indices) {
1723   // It is possible to receive more than one of these calls if the user presses
1724   // a select faster than it takes for the show-select-popup IPC message to make
1725   // it to the browser UI thread. Ignore the extra-messages.
1726   // TODO(jcivelli): http:/b/5793321 Implement a better fix, as detailed in bug.
1727   if (!external_popup_menu_)
1728     return;
1729
1730   external_popup_menu_->DidSelectItems(canceled, selected_indices);
1731   external_popup_menu_.reset();
1732 }
1733 #endif
1734
1735 #if defined(OS_MACOSX)
1736 void RenderFrameImpl::OnSelectPopupMenuItem(int selected_index) {
1737   if (external_popup_menu_ == NULL)
1738     return;
1739   external_popup_menu_->DidSelectItem(selected_index);
1740   external_popup_menu_.reset();
1741 }
1742 #endif
1743
1744 void RenderFrameImpl::OnReload(bool ignore_cache) {
1745   frame_->reload(ignore_cache);
1746 }
1747
1748 void RenderFrameImpl::OnTextSurroundingSelectionRequest(size_t max_length) {
1749   blink::WebSurroundingText surroundingText;
1750   surroundingText.initialize(frame_->selectionRange(), max_length);
1751
1752   if (surroundingText.isNull()) {
1753     // |surroundingText| might not be correctly initialized, for example if
1754     // |frame_->selectionRange().isNull()|, in other words, if there was no
1755     // selection.
1756     Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1757         routing_id_, base::string16(), 0, 0));
1758     return;
1759   }
1760
1761   Send(new FrameHostMsg_TextSurroundingSelectionResponse(
1762       routing_id_,
1763       surroundingText.textContent(),
1764       surroundingText.startOffsetInTextContent(),
1765       surroundingText.endOffsetInTextContent()));
1766 }
1767
1768 bool RenderFrameImpl::RunJavaScriptMessage(JavaScriptMessageType type,
1769                                            const base::string16& message,
1770                                            const base::string16& default_value,
1771                                            const GURL& frame_url,
1772                                            base::string16* result) {
1773   // Don't allow further dialogs if we are waiting to swap out, since the
1774   // PageGroupLoadDeferrer in our stack prevents it.
1775   if (render_view()->suppress_dialogs_until_swap_out_)
1776     return false;
1777
1778   bool success = false;
1779   base::string16 result_temp;
1780   if (!result)
1781     result = &result_temp;
1782
1783   render_view()->SendAndRunNestedMessageLoop(
1784       new FrameHostMsg_RunJavaScriptMessage(
1785         routing_id_, message, default_value, frame_url, type, &success,
1786         result));
1787   return success;
1788 }
1789
1790 void RenderFrameImpl::LoadNavigationErrorPage(
1791     const WebURLRequest& failed_request,
1792     const WebURLError& error,
1793     bool replace) {
1794   std::string error_html;
1795   GetContentClient()->renderer()->GetNavigationErrorStrings(
1796       render_view(), frame_, failed_request, error, &error_html, NULL);
1797
1798   frame_->loadHTMLString(error_html,
1799                          GURL(kUnreachableWebDataURL),
1800                          error.unreachableURL,
1801                          replace);
1802 }
1803
1804 void RenderFrameImpl::DidCommitCompositorFrame() {
1805   if (BrowserPluginManager::Get())
1806     BrowserPluginManager::Get()->DidCommitCompositorFrame(GetRoutingID());
1807   FOR_EACH_OBSERVER(
1808       RenderFrameObserver, observers_, DidCommitCompositorFrame());
1809 }
1810
1811 RenderView* RenderFrameImpl::GetRenderView() {
1812   return render_view_.get();
1813 }
1814
1815 int RenderFrameImpl::GetRoutingID() {
1816   return routing_id_;
1817 }
1818
1819 blink::WebLocalFrame* RenderFrameImpl::GetWebFrame() {
1820   DCHECK(frame_);
1821   return frame_;
1822 }
1823
1824 WebElement RenderFrameImpl::GetFocusedElement() const {
1825   WebDocument doc = frame_->document();
1826   if (!doc.isNull())
1827     return doc.focusedElement();
1828
1829   return WebElement();
1830 }
1831
1832 WebPreferences& RenderFrameImpl::GetWebkitPreferences() {
1833   return render_view_->GetWebkitPreferences();
1834 }
1835
1836 int RenderFrameImpl::ShowContextMenu(ContextMenuClient* client,
1837                                      const ContextMenuParams& params) {
1838   DCHECK(client);  // A null client means "internal" when we issue callbacks.
1839   ContextMenuParams our_params(params);
1840   our_params.custom_context.request_id = pending_context_menus_.Add(client);
1841   Send(new FrameHostMsg_ContextMenu(routing_id_, our_params));
1842   return our_params.custom_context.request_id;
1843 }
1844
1845 void RenderFrameImpl::CancelContextMenu(int request_id) {
1846   DCHECK(pending_context_menus_.Lookup(request_id));
1847   pending_context_menus_.Remove(request_id);
1848 }
1849
1850 blink::WebNode RenderFrameImpl::GetContextMenuNode() const {
1851   return context_menu_node_;
1852 }
1853
1854 blink::WebPlugin* RenderFrameImpl::CreatePlugin(
1855     blink::WebFrame* frame,
1856     const WebPluginInfo& info,
1857     const blink::WebPluginParams& params,
1858     scoped_ptr<content::PluginInstanceThrottler> throttler) {
1859   DCHECK_EQ(frame_, frame);
1860 #if defined(ENABLE_PLUGINS)
1861   if (info.type == WebPluginInfo::PLUGIN_TYPE_BROWSER_PLUGIN) {
1862     return BrowserPluginManager::Get()->CreateBrowserPlugin(
1863         this, GetContentClient()
1864                   ->renderer()
1865                   ->CreateBrowserPluginDelegate(this, params.mimeType.utf8(),
1866                                                 GURL(params.url))
1867                   ->GetWeakPtr());
1868   }
1869
1870   bool pepper_plugin_was_registered = false;
1871   scoped_refptr<PluginModule> pepper_module(PluginModule::Create(
1872       this, info, &pepper_plugin_was_registered));
1873   if (pepper_plugin_was_registered) {
1874     if (pepper_module.get()) {
1875       return new PepperWebPluginImpl(
1876           pepper_module.get(), params, this,
1877           make_scoped_ptr(
1878               static_cast<PluginInstanceThrottlerImpl*>(throttler.release())));
1879     }
1880   }
1881 #if defined(OS_CHROMEOS)
1882   LOG(WARNING) << "Pepper module/plugin creation failed.";
1883 #else
1884   if (info.type == WebPluginInfo::PLUGIN_TYPE_NPAPI) {
1885     // TODO(jam): change to take RenderFrame.
1886     return new WebPluginImpl(frame, params, info.path, render_view_, this);
1887   }
1888 #endif
1889 #endif
1890   return NULL;
1891 }
1892
1893 void RenderFrameImpl::LoadURLExternally(blink::WebLocalFrame* frame,
1894                                         const blink::WebURLRequest& request,
1895                                         blink::WebNavigationPolicy policy) {
1896   DCHECK(!frame_ || frame_ == frame);
1897   loadURLExternally(frame, request, policy, WebString());
1898 }
1899
1900 void RenderFrameImpl::ExecuteJavaScript(const base::string16& javascript) {
1901   OnJavaScriptExecuteRequest(javascript, 0, false);
1902 }
1903
1904 ServiceRegistry* RenderFrameImpl::GetServiceRegistry() {
1905   return &service_registry_;
1906 }
1907
1908 #if defined(ENABLE_PLUGINS)
1909 void RenderFrameImpl::RegisterPeripheralPlugin(
1910     const GURL& content_origin,
1911     const base::Closure& unthrottle_callback) {
1912   return plugin_power_saver_helper_->RegisterPeripheralPlugin(
1913       content_origin, unthrottle_callback);
1914 }
1915 #endif  // defined(ENABLE_PLUGINS)
1916
1917 bool RenderFrameImpl::IsFTPDirectoryListing() {
1918   WebURLResponseExtraDataImpl* extra_data =
1919       GetExtraDataFromResponse(frame_->dataSource()->response());
1920   return extra_data ? extra_data->is_ftp_directory_listing() : false;
1921 }
1922
1923 void RenderFrameImpl::AttachGuest(int element_instance_id) {
1924   BrowserPluginManager::Get()->Attach(element_instance_id);
1925 }
1926
1927 void RenderFrameImpl::DetachGuest(int element_instance_id) {
1928   BrowserPluginManager::Get()->Detach(element_instance_id);
1929 }
1930
1931 void RenderFrameImpl::SetSelectedText(const base::string16& selection_text,
1932                                       size_t offset,
1933                                       const gfx::Range& range) {
1934   // Use the routing id of Render Widget Host.
1935   Send(new ViewHostMsg_SelectionChanged(GetRenderWidget()->routing_id(),
1936                                         selection_text,
1937                                         offset,
1938                                         range));
1939 }
1940
1941 void RenderFrameImpl::EnsureMojoBuiltinsAreAvailable(
1942     v8::Isolate* isolate,
1943     v8::Local<v8::Context> context) {
1944   gin::ModuleRegistry* registry = gin::ModuleRegistry::From(context);
1945   if (registry->available_modules().count(mojo::js::Core::kModuleName))
1946     return;
1947
1948   v8::HandleScope handle_scope(isolate);
1949   registry->AddBuiltinModule(
1950       isolate, mojo::js::Core::kModuleName, mojo::js::Core::GetModule(isolate));
1951   registry->AddBuiltinModule(isolate,
1952                              mojo::js::Support::kModuleName,
1953                              mojo::js::Support::GetModule(isolate));
1954   registry->AddBuiltinModule(
1955       isolate,
1956       ServiceRegistryJsWrapper::kModuleName,
1957       ServiceRegistryJsWrapper::Create(isolate, &service_registry_).ToV8());
1958 }
1959
1960 void RenderFrameImpl::AddMessageToConsole(ConsoleMessageLevel level,
1961                                           const std::string& message) {
1962   if (devtools_agent_)
1963     devtools_agent_->AddMessageToConsole(level, message);
1964 }
1965
1966 // blink::WebFrameClient implementation ----------------------------------------
1967
1968 blink::WebPluginPlaceholder* RenderFrameImpl::createPluginPlaceholder(
1969     blink::WebLocalFrame* frame,
1970     const blink::WebPluginParams& params) {
1971   DCHECK_EQ(frame_, frame);
1972   return GetContentClient()
1973       ->renderer()
1974       ->CreatePluginPlaceholder(this, frame, params)
1975       .release();
1976 }
1977
1978 blink::WebPlugin* RenderFrameImpl::createPlugin(
1979     blink::WebLocalFrame* frame,
1980     const blink::WebPluginParams& params) {
1981   DCHECK_EQ(frame_, frame);
1982   blink::WebPlugin* plugin = NULL;
1983   if (GetContentClient()->renderer()->OverrideCreatePlugin(
1984           this, frame, params, &plugin)) {
1985     return plugin;
1986   }
1987
1988   if (base::UTF16ToUTF8(base::StringPiece16(params.mimeType)) ==
1989       kBrowserPluginMimeType) {
1990     return BrowserPluginManager::Get()->CreateBrowserPlugin(
1991         this, GetContentClient()
1992                   ->renderer()
1993                   ->CreateBrowserPluginDelegate(this, kBrowserPluginMimeType,
1994                                                 GURL(params.url))
1995                   ->GetWeakPtr());
1996   }
1997
1998 #if defined(ENABLE_PLUGINS)
1999   WebPluginInfo info;
2000   std::string mime_type;
2001   bool found = false;
2002   Send(new FrameHostMsg_GetPluginInfo(
2003       routing_id_, params.url, frame->top()->document().url(),
2004       params.mimeType.utf8(), &found, &info, &mime_type));
2005   if (!found)
2006     return NULL;
2007
2008   WebPluginParams params_to_use = params;
2009   params_to_use.mimeType = WebString::fromUTF8(mime_type);
2010   return CreatePlugin(frame, info, params_to_use, nullptr /* throttler */);
2011 #else
2012   return NULL;
2013 #endif  // defined(ENABLE_PLUGINS)
2014 }
2015
2016 blink::WebMediaPlayer* RenderFrameImpl::createMediaPlayer(
2017     blink::WebLocalFrame* frame,
2018     const blink::WebURL& url,
2019     WebMediaPlayerClient* client,
2020     WebMediaPlayerEncryptedMediaClient* encrypted_client,
2021     WebContentDecryptionModule* initial_cdm) {
2022 #if defined(VIDEO_HOLE)
2023   if (!contains_media_player_) {
2024     render_view_->RegisterVideoHoleFrame(this);
2025     contains_media_player_ = true;
2026   }
2027 #endif  // defined(VIDEO_HOLE)
2028
2029   blink::WebMediaStream web_stream(
2030       blink::WebMediaStreamRegistry::lookupMediaStreamDescriptor(url));
2031   if (!web_stream.isNull())
2032     return CreateWebMediaPlayerForMediaStream(client);
2033
2034 #if defined(OS_ANDROID) && !defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
2035   return CreateAndroidWebMediaPlayer(client, encrypted_client,
2036                                      GetMediaPermission(), initial_cdm);
2037 #else
2038   scoped_refptr<media::MediaLog> media_log(new RenderMediaLog());
2039
2040   RenderThreadImpl* render_thread = RenderThreadImpl::current();
2041   media::WebMediaPlayerParams params(
2042       base::Bind(&ContentRendererClient::DeferMediaLoad,
2043                  base::Unretained(GetContentClient()->renderer()),
2044                  static_cast<RenderFrame*>(this)),
2045       render_thread->GetAudioRendererMixerManager()->CreateInput(routing_id_),
2046       media_log, render_thread->GetMediaThreadTaskRunner(),
2047       render_thread->compositor_task_runner(),
2048       base::Bind(&GetSharedMainThreadContext3D), GetMediaPermission(),
2049       initial_cdm);
2050
2051 #if defined(ENABLE_MOJO_MEDIA)
2052   scoped_ptr<media::RendererFactory> media_renderer_factory(
2053       new media::MojoRendererFactory(GetMediaServiceFactory()));
2054 #else
2055   scoped_ptr<media::RendererFactory> media_renderer_factory =
2056       GetContentClient()->renderer()->CreateMediaRendererFactory(
2057           this, render_thread->GetGpuFactories(), media_log);
2058
2059   if (!media_renderer_factory.get()) {
2060     media_renderer_factory.reset(new media::DefaultRendererFactory(
2061         media_log, render_thread->GetGpuFactories(),
2062         *render_thread->GetAudioHardwareConfig()));
2063   }
2064 #endif  // defined(ENABLE_MOJO_MEDIA)
2065
2066   return new media::WebMediaPlayerImpl(
2067       frame, client, encrypted_client, weak_factory_.GetWeakPtr(),
2068       media_renderer_factory.Pass(), GetCdmFactory(), params);
2069 #endif  // defined(OS_ANDROID) && !defined(ENABLE_MEDIA_PIPELINE_ON_ANDROID)
2070 }
2071
2072 blink::WebApplicationCacheHost* RenderFrameImpl::createApplicationCacheHost(
2073     blink::WebLocalFrame* frame,
2074     blink::WebApplicationCacheHostClient* client) {
2075   if (!frame || !frame->view())
2076     return NULL;
2077   DCHECK(!frame_ || frame_ == frame);
2078   return new RendererWebApplicationCacheHostImpl(
2079       RenderViewImpl::FromWebView(frame->view()), client,
2080       RenderThreadImpl::current()->appcache_dispatcher()->backend_proxy());
2081 }
2082
2083 blink::WebWorkerContentSettingsClientProxy*
2084 RenderFrameImpl::createWorkerContentSettingsClientProxy(
2085     blink::WebLocalFrame* frame) {
2086   if (!frame || !frame->view())
2087     return NULL;
2088   DCHECK(!frame_ || frame_ == frame);
2089   return GetContentClient()->renderer()->CreateWorkerContentSettingsClientProxy(
2090       this, frame);
2091 }
2092
2093 WebExternalPopupMenu* RenderFrameImpl::createExternalPopupMenu(
2094     const WebPopupMenuInfo& popup_menu_info,
2095     WebExternalPopupMenuClient* popup_menu_client) {
2096 #if defined(OS_MACOSX) || defined(OS_ANDROID)
2097   // An IPC message is sent to the browser to build and display the actual
2098   // popup. The user could have time to click a different select by the time
2099   // the popup is shown. In that case external_popup_menu_ is non NULL.
2100   // By returning NULL in that case, we instruct Blink to cancel that new
2101   // popup. So from the user perspective, only the first one will show, and
2102   // will have to close the first one before another one can be shown.
2103   if (external_popup_menu_)
2104     return NULL;
2105   external_popup_menu_.reset(
2106       new ExternalPopupMenu(this, popup_menu_info, popup_menu_client));
2107   if (render_view_->screen_metrics_emulator_) {
2108     render_view_->SetExternalPopupOriginAdjustmentsForEmulation(
2109         external_popup_menu_.get(),
2110         render_view_->screen_metrics_emulator_.get());
2111   }
2112   return external_popup_menu_.get();
2113 #else
2114   return NULL;
2115 #endif
2116 }
2117
2118 blink::WebCookieJar* RenderFrameImpl::cookieJar(blink::WebLocalFrame* frame) {
2119   DCHECK(!frame_ || frame_ == frame);
2120   return &cookie_jar_;
2121 }
2122
2123 blink::WebServiceWorkerProvider* RenderFrameImpl::createServiceWorkerProvider(
2124     blink::WebLocalFrame* frame) {
2125   DCHECK(!frame_ || frame_ == frame);
2126   // At this point we should have non-null data source.
2127   DCHECK(frame->dataSource());
2128   if (!ChildThreadImpl::current())
2129     return NULL;  // May be null in some tests.
2130   ServiceWorkerNetworkProvider* provider =
2131       ServiceWorkerNetworkProvider::FromDocumentState(
2132           DocumentState::FromDataSource(frame->dataSource()));
2133   DCHECK(provider);
2134   return new WebServiceWorkerProviderImpl(
2135       ChildThreadImpl::current()->thread_safe_sender(),
2136       provider->context());
2137 }
2138
2139 void RenderFrameImpl::didAccessInitialDocument(blink::WebLocalFrame* frame) {
2140   DCHECK(!frame_ || frame_ == frame);
2141   // If the request hasn't yet committed, notify the browser process that it is
2142   // no longer safe to show the pending URL of the main frame, since a URL spoof
2143   // is now possible. (If the request has committed, the browser already knows.)
2144   if (!frame->parent()) {
2145     DocumentState* document_state =
2146         DocumentState::FromDataSource(frame->dataSource());
2147     NavigationStateImpl* navigation_state =
2148         static_cast<NavigationStateImpl*>(document_state->navigation_state());
2149
2150     if (!navigation_state->request_committed()) {
2151       Send(new FrameHostMsg_DidAccessInitialDocument(routing_id_));
2152     }
2153   }
2154 }
2155
2156 blink::WebFrame* RenderFrameImpl::createChildFrame(
2157     blink::WebLocalFrame* parent,
2158     blink::WebTreeScopeType scope,
2159     const blink::WebString& name,
2160     blink::WebSandboxFlags sandbox_flags) {
2161   // Synchronously notify the browser of a child frame creation to get the
2162   // routing_id for the RenderFrame.
2163   int child_routing_id = MSG_ROUTING_NONE;
2164   Send(new FrameHostMsg_CreateChildFrame(
2165       routing_id_, scope,
2166       base::UTF16ToUTF8(base::StringPiece16(name)), sandbox_flags,
2167       &child_routing_id));
2168
2169   // Allocation of routing id failed, so we can't create a child frame. This can
2170   // happen if this RenderFrameImpl's IPCs are being filtered when in swapped
2171   // out state or synchronous IPC message above has failed.
2172   if (child_routing_id == MSG_ROUTING_NONE) {
2173     NOTREACHED() << "Failed to allocate routing id for child frame.";
2174     return nullptr;
2175   }
2176
2177   // Create the RenderFrame and WebLocalFrame, linking the two.
2178   RenderFrameImpl* child_render_frame = RenderFrameImpl::Create(
2179       render_view_.get(), child_routing_id);
2180   blink::WebLocalFrame* web_frame =
2181       WebLocalFrame::create(scope, child_render_frame);
2182   child_render_frame->SetWebFrame(web_frame);
2183
2184   // Add the frame to the frame tree and initialize it.
2185   parent->appendChild(web_frame);
2186   child_render_frame->Initialize();
2187
2188   return web_frame;
2189 }
2190
2191 void RenderFrameImpl::didDisownOpener(blink::WebLocalFrame* frame) {
2192   DCHECK(!frame_ || frame_ == frame);
2193   // We only need to notify the browser if the active, top-level frame clears
2194   // its opener.  We can ignore cases where a swapped out frame clears its
2195   // opener after hearing about it from the browser, and the browser does not
2196   // (yet) care about subframe openers.
2197   if (is_swapped_out_ || frame->parent())
2198     return;
2199
2200   // Notify WebContents and all its swapped out RenderViews.
2201   Send(new FrameHostMsg_DidDisownOpener(routing_id_));
2202 }
2203
2204 void RenderFrameImpl::frameDetached(blink::WebFrame* frame, DetachType type) {
2205   // NOTE: This function is called on the frame that is being detached and not
2206   // the parent frame.  This is different from createChildFrame() which is
2207   // called on the parent frame.
2208   CHECK(!is_detaching_);
2209   DCHECK(!frame_ || frame_ == frame);
2210
2211   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameDetached());
2212   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2213                     FrameDetached(frame));
2214
2215   // We only notify the browser process when the frame is being detached for
2216   // removal. If the frame is being detached for swap, we don't need to do this
2217   // since we are not modifiying the frame tree.
2218   if (type == DetachType::Remove)
2219     Send(new FrameHostMsg_Detach(routing_id_));
2220
2221   // The |is_detaching_| flag disables Send(). FrameHostMsg_Detach must be
2222   // sent before setting |is_detaching_| to true.
2223   is_detaching_ = true;
2224
2225   // Clean up the associated RenderWidget for the frame, if there is one.
2226   if (render_widget_) {
2227     render_widget_->UnregisterRenderFrame(this);
2228     render_widget_->CloseForFrame();
2229   }
2230
2231   // We need to clean up subframes by removing them from the map and deleting
2232   // the RenderFrameImpl.  In contrast, the main frame is owned by its
2233   // containing RenderViewHost (so that they have the same lifetime), so only
2234   // removal from the map is needed and no deletion.
2235   FrameMap::iterator it = g_frame_map.Get().find(frame);
2236   CHECK(it != g_frame_map.Get().end());
2237   CHECK_EQ(it->second, this);
2238   g_frame_map.Get().erase(it);
2239
2240   // Only remove the frame from the renderer's frame tree if the frame is
2241   // being detached for removal. In the case of a swap, the frame needs to
2242   // remain in the tree so WebFrame::swap() can replace it with the new frame.
2243   if (is_subframe_ && type == DetachType::Remove)
2244     frame->parent()->removeChild(frame);
2245
2246   // |frame| is invalid after here.  Be sure to clear frame_ as well, since this
2247   // object may not be deleted immediately and other methods may try to access
2248   // it.
2249   frame->close();
2250   frame_ = nullptr;
2251
2252   delete this;
2253   // Object is invalid after this point.
2254 }
2255
2256 void RenderFrameImpl::frameFocused() {
2257   Send(new FrameHostMsg_FrameFocused(routing_id_));
2258 }
2259
2260 void RenderFrameImpl::willClose(blink::WebFrame* frame) {
2261   DCHECK(!frame_ || frame_ == frame);
2262
2263   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameWillClose());
2264   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2265                     FrameWillClose(frame));
2266 }
2267
2268 void RenderFrameImpl::didChangeName(blink::WebLocalFrame* frame,
2269                                     const blink::WebString& name) {
2270   DCHECK(!frame_ || frame_ == frame);
2271
2272   // TODO(alexmos): According to https://crbug.com/169110, sending window.name
2273   // updates may have performance implications for benchmarks like SunSpider.
2274   // For now, send these updates only for --site-per-process, which needs to
2275   // replicate frame names to frame proxies, and when
2276   // |report_frame_name_changes| is set (used by <webview>).  If needed, this
2277   // can be optimized further by only sending the update if there are any
2278   // remote frames in the frame tree, or delaying and batching up IPCs if
2279   // updates are happening too frequently.
2280   if (SiteIsolationPolicy::AreCrossProcessFramesPossible() ||
2281       render_view_->renderer_preferences_.report_frame_name_changes) {
2282     Send(new FrameHostMsg_DidChangeName(
2283         routing_id_, base::UTF16ToUTF8(base::StringPiece16(name))));
2284   }
2285 }
2286
2287 void RenderFrameImpl::didChangeSandboxFlags(blink::WebFrame* child_frame,
2288                                             blink::WebSandboxFlags flags) {
2289   int frame_routing_id = MSG_ROUTING_NONE;
2290   if (child_frame->isWebRemoteFrame()) {
2291     frame_routing_id =
2292         RenderFrameProxy::FromWebFrame(child_frame)->routing_id();
2293   } else {
2294     frame_routing_id =
2295         RenderFrameImpl::FromWebFrame(child_frame)->GetRoutingID();
2296   }
2297
2298   Send(new FrameHostMsg_DidChangeSandboxFlags(routing_id_, frame_routing_id,
2299                                               flags));
2300 }
2301
2302 void RenderFrameImpl::didMatchCSS(
2303     blink::WebLocalFrame* frame,
2304     const blink::WebVector<blink::WebString>& newly_matching_selectors,
2305     const blink::WebVector<blink::WebString>& stopped_matching_selectors) {
2306   DCHECK(!frame_ || frame_ == frame);
2307
2308   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2309                     DidMatchCSS(newly_matching_selectors,
2310                                 stopped_matching_selectors));
2311 }
2312
2313 bool RenderFrameImpl::shouldReportDetailedMessageForSource(
2314     const blink::WebString& source) {
2315   return GetContentClient()->renderer()->ShouldReportDetailedMessageForSource(
2316       source);
2317 }
2318
2319 void RenderFrameImpl::didAddMessageToConsole(
2320     const blink::WebConsoleMessage& message,
2321     const blink::WebString& source_name,
2322     unsigned source_line,
2323     const blink::WebString& stack_trace) {
2324   logging::LogSeverity log_severity = logging::LOG_VERBOSE;
2325   switch (message.level) {
2326     case blink::WebConsoleMessage::LevelDebug:
2327       log_severity = logging::LOG_VERBOSE;
2328       break;
2329     case blink::WebConsoleMessage::LevelLog:
2330     case blink::WebConsoleMessage::LevelInfo:
2331       log_severity = logging::LOG_INFO;
2332       break;
2333     case blink::WebConsoleMessage::LevelWarning:
2334       log_severity = logging::LOG_WARNING;
2335       break;
2336     case blink::WebConsoleMessage::LevelError:
2337       log_severity = logging::LOG_ERROR;
2338       break;
2339     default:
2340       log_severity = logging::LOG_VERBOSE;
2341   }
2342
2343   if (shouldReportDetailedMessageForSource(source_name)) {
2344     FOR_EACH_OBSERVER(
2345         RenderFrameObserver, observers_,
2346         DetailedConsoleMessageAdded(message.text,
2347                                     source_name,
2348                                     stack_trace,
2349                                     source_line,
2350                                     static_cast<int32>(log_severity)));
2351   }
2352
2353   Send(new FrameHostMsg_AddMessageToConsole(routing_id_,
2354                                             static_cast<int32>(log_severity),
2355                                             message.text,
2356                                             static_cast<int32>(source_line),
2357                                             source_name));
2358 }
2359
2360 void RenderFrameImpl::loadURLExternally(
2361     blink::WebLocalFrame* frame,
2362     const blink::WebURLRequest& request,
2363     blink::WebNavigationPolicy policy,
2364     const blink::WebString& suggested_name) {
2365   DCHECK(!frame_ || frame_ == frame);
2366   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(frame, request));
2367   if (policy == blink::WebNavigationPolicyDownload) {
2368     render_view_->Send(new ViewHostMsg_DownloadUrl(render_view_->GetRoutingID(),
2369                                                    request.url(), referrer,
2370                                                    suggested_name));
2371   } else {
2372     OpenURL(frame, request.url(), referrer, policy);
2373   }
2374 }
2375
2376 blink::WebNavigationPolicy RenderFrameImpl::decidePolicyForNavigation(
2377     const NavigationPolicyInfo& info) {
2378   DCHECK(!frame_ || frame_ == info.frame);
2379   return DecidePolicyForNavigation(this, info);
2380 }
2381
2382 blink::WebHistoryItem RenderFrameImpl::historyItemForNewChildFrame(
2383     blink::WebFrame* frame) {
2384   DCHECK(!frame_ || frame_ == frame);
2385   return render_view_->history_controller()->GetItemForNewChildFrame(this);
2386 }
2387
2388 void RenderFrameImpl::willSendSubmitEvent(blink::WebLocalFrame* frame,
2389                                           const blink::WebFormElement& form) {
2390   DCHECK(!frame_ || frame_ == frame);
2391
2392   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WillSendSubmitEvent(form));
2393 }
2394
2395 void RenderFrameImpl::willSubmitForm(blink::WebLocalFrame* frame,
2396                                      const blink::WebFormElement& form) {
2397   DCHECK(!frame_ || frame_ == frame);
2398   DocumentState* document_state =
2399       DocumentState::FromDataSource(frame->provisionalDataSource());
2400   NavigationStateImpl* navigation_state =
2401       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2402   InternalDocumentStateData* internal_data =
2403       InternalDocumentStateData::FromDocumentState(document_state);
2404
2405   if (ui::PageTransitionCoreTypeIs(navigation_state->GetTransitionType(),
2406                                    ui::PAGE_TRANSITION_LINK)) {
2407     navigation_state->set_transition_type(ui::PAGE_TRANSITION_FORM_SUBMIT);
2408   }
2409
2410   // Save these to be processed when the ensuing navigation is committed.
2411   WebSearchableFormData web_searchable_form_data(form);
2412   internal_data->set_searchable_form_url(web_searchable_form_data.url());
2413   internal_data->set_searchable_form_encoding(
2414       web_searchable_form_data.encoding().utf8());
2415
2416   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WillSubmitForm(form));
2417 }
2418
2419 void RenderFrameImpl::didCreateDataSource(blink::WebLocalFrame* frame,
2420                                           blink::WebDataSource* datasource) {
2421   DCHECK(!frame_ || frame_ == frame);
2422
2423   bool content_initiated = !pending_navigation_params_.get();
2424
2425   // Make sure any previous redirect URLs end up in our new data source.
2426   if (pending_navigation_params_.get()) {
2427     for (const auto& i :
2428          pending_navigation_params_->request_params.redirects) {
2429       datasource->appendRedirect(i);
2430     }
2431   }
2432
2433   DocumentState* document_state = DocumentState::FromDataSource(datasource);
2434   if (!document_state) {
2435     document_state = new DocumentState;
2436     datasource->setExtraData(document_state);
2437     if (!content_initiated)
2438       PopulateDocumentStateFromPending(document_state);
2439   }
2440
2441   // Carry over the user agent override flag, if it exists.
2442   blink::WebView* webview = render_view_->webview();
2443   if (content_initiated && webview && webview->mainFrame() &&
2444       webview->mainFrame()->isWebLocalFrame() &&
2445       webview->mainFrame()->dataSource()) {
2446     DocumentState* old_document_state =
2447         DocumentState::FromDataSource(webview->mainFrame()->dataSource());
2448     if (old_document_state) {
2449       InternalDocumentStateData* internal_data =
2450           InternalDocumentStateData::FromDocumentState(document_state);
2451       InternalDocumentStateData* old_internal_data =
2452           InternalDocumentStateData::FromDocumentState(old_document_state);
2453       internal_data->set_is_overriding_user_agent(
2454           old_internal_data->is_overriding_user_agent());
2455     }
2456   }
2457
2458   // The rest of RenderView assumes that a WebDataSource will always have a
2459   // non-null NavigationState.
2460   if (content_initiated) {
2461     document_state->set_navigation_state(
2462         NavigationStateImpl::CreateContentInitiated());
2463   } else {
2464     document_state->set_navigation_state(CreateNavigationStateFromPending());
2465     pending_navigation_params_.reset();
2466   }
2467
2468   // DocumentState::referred_by_prefetcher_ is true if we are
2469   // navigating from a page that used prefetching using a link on that
2470   // page.  We are early enough in the request process here that we
2471   // can still see the DocumentState of the previous page and set
2472   // this value appropriately.
2473   // TODO(gavinp): catch the important case of navigation in a new
2474   // renderer process.
2475   if (webview) {
2476     if (WebFrame* old_frame = webview->mainFrame()) {
2477       const WebURLRequest& original_request = datasource->originalRequest();
2478       const GURL referrer(
2479           original_request.httpHeaderField(WebString::fromUTF8("Referer")));
2480       if (!referrer.is_empty() && old_frame->isWebLocalFrame() &&
2481           DocumentState::FromDataSource(old_frame->dataSource())
2482               ->was_prefetcher()) {
2483         for (; old_frame; old_frame = old_frame->traverseNext(false)) {
2484           WebDataSource* old_frame_datasource = old_frame->dataSource();
2485           if (old_frame_datasource &&
2486               referrer == GURL(old_frame_datasource->request().url())) {
2487             document_state->set_was_referred_by_prefetcher(true);
2488             break;
2489           }
2490         }
2491       }
2492     }
2493   }
2494
2495   if (content_initiated) {
2496     const WebURLRequest& request = datasource->request();
2497     switch (request.cachePolicy()) {
2498       case WebURLRequest::UseProtocolCachePolicy:  // normal load.
2499         document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL);
2500         break;
2501       case WebURLRequest::ReloadIgnoringCacheData:  // reload.
2502       case WebURLRequest::ReloadBypassingCache:     // end-to-end reload.
2503         document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD);
2504         break;
2505       case WebURLRequest::ReturnCacheDataElseLoad:  // allow stale data.
2506         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_STALE_OK);
2507         break;
2508       case WebURLRequest::ReturnCacheDataDontLoad:  // Don't re-post.
2509         document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY);
2510         break;
2511       default:
2512         NOTREACHED();
2513     }
2514   }
2515
2516   // Create the serviceworker's per-document network observing object if it
2517   // does not exist (When navigation happens within a page, the provider already
2518   // exists).
2519   if (!ServiceWorkerNetworkProvider::FromDocumentState(
2520           DocumentState::FromDataSource(datasource))) {
2521     ServiceWorkerProviderType provider_type =
2522         SERVICE_WORKER_PROVIDER_FOR_WINDOW;
2523     if ((frame->effectiveSandboxFlags() & blink::WebSandboxFlags::Origin) ==
2524         blink::WebSandboxFlags::Origin) {
2525       provider_type = SERVICE_WORKER_PROVIDER_FOR_SANDBOXED_FRAME;
2526     }
2527     scoped_ptr<ServiceWorkerNetworkProvider> network_provider(
2528         new ServiceWorkerNetworkProvider(routing_id_, provider_type));
2529     ServiceWorkerNetworkProvider::AttachToDocumentState(
2530         DocumentState::FromDataSource(datasource),
2531         network_provider.Pass());
2532   }
2533 }
2534
2535 void RenderFrameImpl::didStartProvisionalLoad(blink::WebLocalFrame* frame,
2536                                               double triggering_event_time) {
2537   DCHECK(!frame_ || frame_ == frame);
2538   WebDataSource* ds = frame->provisionalDataSource();
2539
2540   // In fast/loader/stop-provisional-loads.html, we abort the load before this
2541   // callback is invoked.
2542   if (!ds)
2543     return;
2544
2545   TRACE_EVENT2("navigation", "RenderFrameImpl::didStartProvisionalLoad",
2546                "id", routing_id_, "url", ds->request().url().string().utf8());
2547   DocumentState* document_state = DocumentState::FromDataSource(ds);
2548
2549   // We should only navigate to swappedout:// when is_swapped_out_ is true.
2550   CHECK_IMPLIES(ds->request().url() == GURL(kSwappedOutURL), is_swapped_out_)
2551       << "Heard swappedout:// when not swapped out.";
2552
2553   // Update the request time if WebKit has better knowledge of it.
2554   if (document_state->request_time().is_null() &&
2555           triggering_event_time != 0.0) {
2556     document_state->set_request_time(Time::FromDoubleT(triggering_event_time));
2557   }
2558
2559   // Start time is only set after request time.
2560   document_state->set_start_load_time(Time::Now());
2561
2562   bool is_top_most = !frame->parent();
2563   if (is_top_most) {
2564     render_view_->set_navigation_gesture(
2565         WebUserGestureIndicator::isProcessingUserGesture() ?
2566             NavigationGestureUser : NavigationGestureAuto);
2567   } else if (ds->replacesCurrentHistoryItem()) {
2568     // Subframe navigations that don't add session history items must be
2569     // marked with AUTO_SUBFRAME. See also didFailProvisionalLoad for how we
2570     // handle loading of error pages.
2571     static_cast<NavigationStateImpl*>(document_state->navigation_state())
2572         ->set_transition_type(ui::PAGE_TRANSITION_AUTO_SUBFRAME);
2573   }
2574
2575   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2576                     DidStartProvisionalLoad(frame));
2577   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidStartProvisionalLoad());
2578
2579   Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
2580        routing_id_, ds->request().url()));
2581 }
2582
2583 void RenderFrameImpl::didReceiveServerRedirectForProvisionalLoad(
2584     blink::WebLocalFrame* frame) {
2585   DCHECK(!frame_ || frame_ == frame);
2586   render_view_->history_controller()->RemoveChildrenForRedirect(this);
2587 }
2588
2589 void RenderFrameImpl::didFailProvisionalLoad(
2590     blink::WebLocalFrame* frame,
2591     const blink::WebURLError& error,
2592     blink::WebHistoryCommitType commit_type) {
2593   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailProvisionalLoad",
2594                "id", routing_id_);
2595   DCHECK(!frame_ || frame_ == frame);
2596   WebDataSource* ds = frame->provisionalDataSource();
2597   DCHECK(ds);
2598
2599   const WebURLRequest& failed_request = ds->request();
2600
2601   // Notify the browser that we failed a provisional load with an error.
2602   //
2603   // Note: It is important this notification occur before DidStopLoading so the
2604   //       SSL manager can react to the provisional load failure before being
2605   //       notified the load stopped.
2606   //
2607   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2608                     DidFailProvisionalLoad(frame, error));
2609   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2610                     DidFailProvisionalLoad(error));
2611
2612   SendFailedProvisionalLoad(failed_request, error, frame);
2613
2614   if (!ShouldDisplayErrorPageForFailedLoad(error.reason, error.unreachableURL))
2615     return;
2616
2617   // Make sure we never show errors in view source mode.
2618   frame->enableViewSourceMode(false);
2619
2620   DocumentState* document_state = DocumentState::FromDataSource(ds);
2621   NavigationStateImpl* navigation_state =
2622       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2623
2624   // If this is a failed back/forward/reload navigation, then we need to do a
2625   // 'replace' load.  This is necessary to avoid messing up session history.
2626   // Otherwise, we do a normal load, which simulates a 'go' navigation as far
2627   // as session history is concerned.
2628   bool replace = commit_type != blink::WebStandardCommit;
2629
2630   // If we failed on a browser initiated request, then make sure that our error
2631   // page load is regarded as the same browser initiated request.
2632   if (!navigation_state->IsContentInitiated()) {
2633     pending_navigation_params_.reset(new NavigationParams(
2634         navigation_state->common_params(), navigation_state->start_params(),
2635         navigation_state->request_params()));
2636     pending_navigation_params_->request_params.request_time =
2637         document_state->request_time();
2638   }
2639
2640   // Load an error page.
2641   LoadNavigationErrorPage(failed_request, error, replace);
2642 }
2643
2644 void RenderFrameImpl::didCommitProvisionalLoad(
2645     blink::WebLocalFrame* frame,
2646     const blink::WebHistoryItem& item,
2647     blink::WebHistoryCommitType commit_type) {
2648   TRACE_EVENT2("navigation", "RenderFrameImpl::didCommitProvisionalLoad",
2649                "id", routing_id_,
2650                "url", GetLoadingUrl().possibly_invalid_spec());
2651   DCHECK(!frame_ || frame_ == frame);
2652   DocumentState* document_state =
2653       DocumentState::FromDataSource(frame->dataSource());
2654   NavigationStateImpl* navigation_state =
2655       static_cast<NavigationStateImpl*>(document_state->navigation_state());
2656
2657   if (proxy_routing_id_ != MSG_ROUTING_NONE) {
2658     RenderFrameProxy* proxy =
2659         RenderFrameProxy::FromRoutingID(proxy_routing_id_);
2660     CHECK(proxy);
2661     proxy->web_frame()->swap(frame_);
2662     proxy_routing_id_ = MSG_ROUTING_NONE;
2663
2664     // If this is the main frame going from a remote frame to a local frame,
2665     // it needs to set RenderViewImpl's pointer for the main frame to itself
2666     // and ensure RenderWidget is no longer in swapped out mode.
2667     if (!is_subframe_) {
2668       CHECK(!render_view_->main_render_frame_);
2669       render_view_->main_render_frame_ = this;
2670       if (render_view_->is_swapped_out())
2671         render_view_->SetSwappedOut(false);
2672     }
2673   }
2674
2675   // When we perform a new navigation, we need to update the last committed
2676   // session history entry with state for the page we are leaving. Do this
2677   // before updating the HistoryController state.
2678   render_view_->SendUpdateState();
2679
2680   render_view_->history_controller()->UpdateForCommit(
2681       this, item, commit_type, navigation_state->WasWithinSamePage());
2682
2683   InternalDocumentStateData* internal_data =
2684       InternalDocumentStateData::FromDocumentState(document_state);
2685
2686   if (document_state->commit_load_time().is_null())
2687     document_state->set_commit_load_time(Time::Now());
2688
2689   if (internal_data->must_reset_scroll_and_scale_state()) {
2690     render_view_->webview()->resetScrollAndScaleState();
2691     internal_data->set_must_reset_scroll_and_scale_state(false);
2692   }
2693
2694   bool is_new_navigation = commit_type == blink::WebStandardCommit;
2695   if (is_new_navigation) {
2696     // We bump our Page ID to correspond with the new session history entry.
2697     render_view_->page_id_ = render_view_->next_page_id_++;
2698
2699     // Don't update history list values for kSwappedOutURL, since
2700     // we don't want to forget the entry that was there, and since we will
2701     // never come back to kSwappedOutURL.  Note that we have to call
2702     // SendUpdateState and update page_id_ even in this case, so that
2703     // the current entry gets a state update and so that we don't send a
2704     // state update to the wrong entry when we swap back in.
2705     DCHECK_IMPLIES(
2706         navigation_state->common_params().should_replace_current_entry,
2707         render_view_->history_list_length_ > 0);
2708     if (GetLoadingUrl() != GURL(kSwappedOutURL) &&
2709         !navigation_state->common_params().should_replace_current_entry) {
2710       // Advance our offset in session history, applying the length limit.
2711       // There is now no forward history.
2712       render_view_->history_list_offset_++;
2713       if (render_view_->history_list_offset_ >= kMaxSessionHistoryEntries)
2714         render_view_->history_list_offset_ = kMaxSessionHistoryEntries - 1;
2715       render_view_->history_list_length_ =
2716           render_view_->history_list_offset_ + 1;
2717     }
2718   } else {
2719     const RequestNavigationParams& request_params =
2720         navigation_state->request_params();
2721     if (request_params.nav_entry_id != 0 &&
2722         !request_params.intended_as_new_entry) {
2723       // This is a successful session history navigation!
2724       render_view_->page_id_ = request_params.page_id;
2725
2726       render_view_->history_list_offset_ =
2727           request_params.pending_history_list_offset;
2728     }
2729   }
2730
2731   bool sent = Send(
2732       new FrameHostMsg_DidAssignPageId(routing_id_, render_view_->page_id_));
2733   CHECK(sent);  // http://crbug.com/407376
2734
2735   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_,
2736                     DidCommitProvisionalLoad(frame, is_new_navigation));
2737   FOR_EACH_OBSERVER(
2738       RenderFrameObserver, observers_,
2739       DidCommitProvisionalLoad(is_new_navigation,
2740                                navigation_state->WasWithinSamePage()));
2741
2742   if (!frame->parent()) {  // Only for top frames.
2743     RenderThreadImpl* render_thread_impl = RenderThreadImpl::current();
2744     if (render_thread_impl) {  // Can be NULL in tests.
2745       render_thread_impl->histogram_customizer()->
2746           RenderViewNavigatedToHost(GURL(GetLoadingUrl()).host(),
2747                                     RenderView::GetRenderViewCount());
2748     }
2749   }
2750
2751   // Remember that we've already processed this request, so we don't update
2752   // the session history again.  We do this regardless of whether this is
2753   // a session history navigation, because if we attempted a session history
2754   // navigation without valid HistoryItem state, WebCore will think it is a
2755   // new navigation.
2756   navigation_state->set_request_committed(true);
2757
2758   SendDidCommitProvisionalLoad(frame, commit_type, item);
2759
2760   // Check whether we have new encoding name.
2761   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2762 }
2763
2764 void RenderFrameImpl::didCreateNewDocument(blink::WebLocalFrame* frame) {
2765   DCHECK(!frame_ || frame_ == frame);
2766
2767   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidCreateNewDocument());
2768   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2769                     DidCreateNewDocument(frame));
2770 }
2771
2772 void RenderFrameImpl::didClearWindowObject(blink::WebLocalFrame* frame) {
2773   DCHECK(!frame_ || frame_ == frame);
2774
2775   int enabled_bindings = render_view_->GetEnabledBindings();
2776
2777   if (enabled_bindings & BINDINGS_POLICY_WEB_UI)
2778     WebUIExtension::Install(frame);
2779
2780   if (enabled_bindings & BINDINGS_POLICY_DOM_AUTOMATION)
2781     DomAutomationController::Install(this, frame);
2782
2783   if (enabled_bindings & BINDINGS_POLICY_STATS_COLLECTION)
2784     StatsCollectionController::Install(frame);
2785
2786   const base::CommandLine& command_line =
2787       *base::CommandLine::ForCurrentProcess();
2788
2789   if (command_line.HasSwitch(cc::switches::kEnableGpuBenchmarking))
2790     GpuBenchmarking::Install(frame);
2791
2792   if (command_line.HasSwitch(switches::kEnableMemoryBenchmarking))
2793     MemoryBenchmarkingExtension::Install(frame);
2794
2795   if (command_line.HasSwitch(switches::kEnableSkiaBenchmarking))
2796     SkiaBenchmarking::Install(frame);
2797
2798   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2799                     DidClearWindowObject(frame));
2800   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidClearWindowObject());
2801 }
2802
2803 void RenderFrameImpl::didCreateDocumentElement(blink::WebLocalFrame* frame) {
2804   DCHECK(!frame_ || frame_ == frame);
2805
2806   // Notify the browser about non-blank documents loading in the top frame.
2807   GURL url = frame->document().url();
2808   if (url.is_valid() && url.spec() != url::kAboutBlankURL) {
2809     // TODO(nasko): Check if webview()->mainFrame() is the same as the
2810     // frame->tree()->top().
2811     blink::WebFrame* main_frame = render_view_->webview()->mainFrame();
2812     if (frame == main_frame) {
2813       // For now, don't remember plugin zoom values.  We don't want to mix them
2814       // with normal web content (i.e. a fixed layout plugin would usually want
2815       // them different).
2816       render_view_->Send(new ViewHostMsg_DocumentAvailableInMainFrame(
2817           render_view_->GetRoutingID(),
2818           main_frame->document().isPluginDocument()));
2819     }
2820   }
2821
2822   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
2823                     DidCreateDocumentElement());
2824   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2825                     DidCreateDocumentElement(frame));
2826 }
2827
2828 void RenderFrameImpl::didReceiveTitle(blink::WebLocalFrame* frame,
2829                                       const blink::WebString& title,
2830                                       blink::WebTextDirection direction) {
2831   DCHECK(!frame_ || frame_ == frame);
2832   // Ignore all but top level navigations.
2833   if (!frame->parent()) {
2834     base::string16 title16 = title;
2835     base::trace_event::TraceLog::GetInstance()->UpdateProcessLabel(
2836         routing_id_, base::UTF16ToUTF8(title16));
2837
2838     base::string16 shortened_title = title16.substr(0, kMaxTitleChars);
2839     Send(new FrameHostMsg_UpdateTitle(routing_id_,
2840                                       shortened_title, direction));
2841   }
2842
2843   // Also check whether we have new encoding name.
2844   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2845 }
2846
2847 void RenderFrameImpl::didChangeIcon(blink::WebLocalFrame* frame,
2848                                     blink::WebIconURL::Type icon_type) {
2849   DCHECK(!frame_ || frame_ == frame);
2850   // TODO(nasko): Investigate wheather implementation should move here.
2851   render_view_->didChangeIcon(frame, icon_type);
2852 }
2853
2854 void RenderFrameImpl::didFinishDocumentLoad(blink::WebLocalFrame* frame,
2855                                             bool document_is_empty) {
2856   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishDocumentLoad",
2857                "id", routing_id_);
2858   DCHECK(!frame_ || frame_ == frame);
2859   WebDataSource* ds = frame->dataSource();
2860   DocumentState* document_state = DocumentState::FromDataSource(ds);
2861   document_state->set_finish_document_load_time(Time::Now());
2862
2863   Send(new FrameHostMsg_DidFinishDocumentLoad(routing_id_));
2864
2865   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2866                     DidFinishDocumentLoad(frame));
2867   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishDocumentLoad());
2868
2869   // Check whether we have new encoding name.
2870   UpdateEncoding(frame, frame->view()->pageEncoding().utf8());
2871
2872   // If this is an empty document with an http status code indicating an error,
2873   // we may want to display our own error page, so the user doesn't end up
2874   // with an unexplained blank page.
2875   if (!document_is_empty)
2876     return;
2877
2878   // Do not show error page when DevTools is attached.
2879   RenderFrameImpl* localRoot = this;
2880   while (localRoot->frame_ && localRoot->frame_->parent() &&
2881          localRoot->frame_->parent()->isWebLocalFrame()) {
2882     localRoot = RenderFrameImpl::FromWebFrame(localRoot->frame_->parent());
2883     DCHECK(localRoot);
2884   }
2885   if (localRoot->devtools_agent_ && localRoot->devtools_agent_->IsAttached())
2886     return;
2887
2888   // Display error page instead of a blank page, if appropriate.
2889   std::string error_domain = "http";
2890   InternalDocumentStateData* internal_data =
2891       InternalDocumentStateData::FromDataSource(frame->dataSource());
2892   int http_status_code = internal_data->http_status_code();
2893   if (GetContentClient()->renderer()->HasErrorPage(http_status_code,
2894                                                    &error_domain)) {
2895     WebURLError error;
2896     error.unreachableURL = frame->document().url();
2897     error.domain = WebString::fromUTF8(error_domain);
2898     error.reason = http_status_code;
2899     LoadNavigationErrorPage(frame->dataSource()->request(), error, true);
2900   }
2901 }
2902
2903 void RenderFrameImpl::didHandleOnloadEvents(blink::WebLocalFrame* frame) {
2904   DCHECK(!frame_ || frame_ == frame);
2905   if (!frame->parent()) {
2906     FrameMsg_UILoadMetricsReportType::Value report_type =
2907         static_cast<FrameMsg_UILoadMetricsReportType::Value>(
2908             frame->dataSource()->request().inputPerfMetricReportPolicy());
2909     base::TimeTicks ui_timestamp = base::TimeTicks() +
2910         base::TimeDelta::FromSecondsD(
2911             frame->dataSource()->request().uiStartTime());
2912
2913     Send(new FrameHostMsg_DocumentOnLoadCompleted(
2914         routing_id_, report_type, ui_timestamp));
2915   }
2916 }
2917
2918 void RenderFrameImpl::didFailLoad(blink::WebLocalFrame* frame,
2919                                   const blink::WebURLError& error,
2920                                   blink::WebHistoryCommitType commit_type) {
2921   TRACE_EVENT1("navigation", "RenderFrameImpl::didFailLoad",
2922                "id", routing_id_);
2923   DCHECK(!frame_ || frame_ == frame);
2924   // TODO(nasko): Move implementation here. No state needed.
2925   WebDataSource* ds = frame->dataSource();
2926   DCHECK(ds);
2927
2928   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2929                     DidFailLoad(frame, error));
2930
2931   const WebURLRequest& failed_request = ds->request();
2932   base::string16 error_description;
2933   GetContentClient()->renderer()->GetNavigationErrorStrings(
2934       render_view_.get(),
2935       frame,
2936       failed_request,
2937       error,
2938       NULL,
2939       &error_description);
2940   Send(new FrameHostMsg_DidFailLoadWithError(routing_id_,
2941                                              failed_request.url(),
2942                                              error.reason,
2943                                              error_description,
2944                                              error.wasIgnoredByHandler));
2945 }
2946
2947 void RenderFrameImpl::didFinishLoad(blink::WebLocalFrame* frame) {
2948   TRACE_EVENT1("navigation", "RenderFrameImpl::didFinishLoad",
2949                "id", routing_id_);
2950   DCHECK(!frame_ || frame_ == frame);
2951   WebDataSource* ds = frame->dataSource();
2952   DocumentState* document_state = DocumentState::FromDataSource(ds);
2953   if (document_state->finish_load_time().is_null()) {
2954     if (!frame->parent()) {
2955       TRACE_EVENT_INSTANT0("WebCore", "LoadFinished",
2956                            TRACE_EVENT_SCOPE_PROCESS);
2957     }
2958     document_state->set_finish_load_time(Time::Now());
2959   }
2960
2961   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
2962                     DidFinishLoad(frame));
2963   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidFinishLoad());
2964
2965   // Don't send this message while the frame is swapped out.
2966   if (is_swapped_out())
2967     return;
2968
2969   Send(new FrameHostMsg_DidFinishLoad(routing_id_,
2970                                       ds->request().url()));
2971 }
2972
2973 void RenderFrameImpl::didNavigateWithinPage(blink::WebLocalFrame* frame,
2974     const blink::WebHistoryItem& item,
2975     blink::WebHistoryCommitType commit_type) {
2976   TRACE_EVENT1("navigation", "RenderFrameImpl::didNavigateWithinPage",
2977                "id", routing_id_);
2978   DCHECK(!frame_ || frame_ == frame);
2979   // If this was a reference fragment navigation that we initiated, then we
2980   // could end up having a non-null pending navigation params.  We just need to
2981   // update the ExtraData on the datasource so that others who read the
2982   // ExtraData will get the new NavigationState.  Similarly, if we did not
2983   // initiate this navigation, then we need to take care to reset any pre-
2984   // existing navigation state to a content-initiated navigation state.
2985   // didCreateDataSource conveniently takes care of this for us.
2986   didCreateDataSource(frame, frame->dataSource());
2987
2988   DocumentState* document_state =
2989       DocumentState::FromDataSource(frame->dataSource());
2990   static_cast<NavigationStateImpl*>(document_state->navigation_state())
2991       ->set_was_within_same_page(true);
2992
2993   didCommitProvisionalLoad(frame, item, commit_type);
2994 }
2995
2996 void RenderFrameImpl::didUpdateCurrentHistoryItem(blink::WebLocalFrame* frame) {
2997   DCHECK(!frame_ || frame_ == frame);
2998   // TODO(nasko): Move implementation here. Needed methods:
2999   // * StartNavStateSyncTimerIfNecessary
3000   render_view_->didUpdateCurrentHistoryItem(frame);
3001 }
3002
3003 void RenderFrameImpl::didChangeThemeColor() {
3004   if (frame_->parent())
3005     return;
3006
3007   Send(new FrameHostMsg_DidChangeThemeColor(
3008       routing_id_, frame_->document().themeColor()));
3009 }
3010
3011 void RenderFrameImpl::dispatchLoad() {
3012   Send(new FrameHostMsg_DispatchLoad(routing_id_));
3013 }
3014
3015 void RenderFrameImpl::requestNotificationPermission(
3016     const blink::WebSecurityOrigin& origin,
3017     blink::WebNotificationPermissionCallback* callback) {
3018   if (!notification_permission_dispatcher_) {
3019     notification_permission_dispatcher_ =
3020         new NotificationPermissionDispatcher(this);
3021   }
3022
3023   notification_permission_dispatcher_->RequestPermission(origin, callback);
3024 }
3025
3026 void RenderFrameImpl::didChangeSelection(bool is_empty_selection) {
3027   if (!GetRenderWidget()->handling_input_event() && !handling_select_range_)
3028     return;
3029
3030   if (is_empty_selection)
3031     selection_text_.clear();
3032
3033   // UpdateTextInputState should be called before SyncSelectionIfRequired.
3034   // UpdateTextInputState may send TextInputStateChanged to notify the focus
3035   // was changed, and SyncSelectionIfRequired may send SelectionChanged
3036   // to notify the selection was changed.  Focus change should be notified
3037   // before selection change.
3038   GetRenderWidget()->UpdateTextInputState(
3039       RenderWidget::NO_SHOW_IME, RenderWidget::FROM_NON_IME);
3040   SyncSelectionIfRequired();
3041 }
3042
3043 blink::WebColorChooser* RenderFrameImpl::createColorChooser(
3044     blink::WebColorChooserClient* client,
3045     const blink::WebColor& initial_color,
3046     const blink::WebVector<blink::WebColorSuggestion>& suggestions) {
3047   RendererWebColorChooserImpl* color_chooser =
3048       new RendererWebColorChooserImpl(this, client);
3049   std::vector<ColorSuggestion> color_suggestions;
3050   for (size_t i = 0; i < suggestions.size(); i++) {
3051     color_suggestions.push_back(ColorSuggestion(suggestions[i]));
3052   }
3053   color_chooser->Open(static_cast<SkColor>(initial_color), color_suggestions);
3054   return color_chooser;
3055 }
3056
3057 void RenderFrameImpl::runModalAlertDialog(const blink::WebString& message) {
3058   RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_ALERT,
3059                        message,
3060                        base::string16(),
3061                        frame_->document().url(),
3062                        NULL);
3063 }
3064
3065 bool RenderFrameImpl::runModalConfirmDialog(const blink::WebString& message) {
3066   return RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_CONFIRM,
3067                               message,
3068                               base::string16(),
3069                               frame_->document().url(),
3070                               NULL);
3071 }
3072
3073 bool RenderFrameImpl::runModalPromptDialog(
3074     const blink::WebString& message,
3075     const blink::WebString& default_value,
3076     blink::WebString* actual_value) {
3077   base::string16 result;
3078   bool ok = RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_PROMPT,
3079                                  message,
3080                                  default_value,
3081                                  frame_->document().url(),
3082                                  &result);
3083   if (ok)
3084     actual_value->assign(result);
3085   return ok;
3086 }
3087
3088 bool RenderFrameImpl::runModalBeforeUnloadDialog(
3089     bool is_reload,
3090     const blink::WebString& message) {
3091   // If we are swapping out, we have already run the beforeunload handler.
3092   // TODO(creis): Fix OnSwapOut to clear the frame without running beforeunload
3093   // at all, to avoid running it twice.
3094   if (is_swapped_out_)
3095     return true;
3096
3097   // Don't allow further dialogs if we are waiting to swap out, since the
3098   // PageGroupLoadDeferrer in our stack prevents it.
3099   if (render_view()->suppress_dialogs_until_swap_out_)
3100     return false;
3101
3102   bool success = false;
3103   // This is an ignored return value, but is included so we can accept the same
3104   // response as RunJavaScriptMessage.
3105   base::string16 ignored_result;
3106   render_view()->SendAndRunNestedMessageLoop(
3107       new FrameHostMsg_RunBeforeUnloadConfirm(
3108           routing_id_, frame_->document().url(), message, is_reload,
3109           &success, &ignored_result));
3110   return success;
3111 }
3112
3113 void RenderFrameImpl::showContextMenu(const blink::WebContextMenuData& data) {
3114   ContextMenuParams params = ContextMenuParamsBuilder::Build(data);
3115   params.source_type = GetRenderWidget()->context_menu_source_type();
3116   GetRenderWidget()->OnShowHostContextMenu(&params);
3117   if (GetRenderWidget()->has_host_context_menu_location()) {
3118     params.x = GetRenderWidget()->host_context_menu_location().x();
3119     params.y = GetRenderWidget()->host_context_menu_location().y();
3120   }
3121
3122   // Serializing a GURL longer than kMaxURLChars will fail, so don't do
3123   // it.  We replace it with an empty GURL so the appropriate items are disabled
3124   // in the context menu.
3125   // TODO(jcivelli): http://crbug.com/45160 This prevents us from saving large
3126   //                 data encoded images.  We should have a way to save them.
3127   if (params.src_url.spec().size() > GetMaxURLChars())
3128     params.src_url = GURL();
3129   context_menu_node_ = data.node;
3130
3131 #if defined(OS_ANDROID)
3132   gfx::Rect start_rect;
3133   gfx::Rect end_rect;
3134   GetRenderWidget()->GetSelectionBounds(&start_rect, &end_rect);
3135   params.selection_start = gfx::Point(start_rect.x(), start_rect.bottom());
3136   params.selection_end = gfx::Point(end_rect.right(), end_rect.bottom());
3137 #endif
3138
3139   Send(new FrameHostMsg_ContextMenu(routing_id_, params));
3140 }
3141
3142 void RenderFrameImpl::clearContextMenu() {
3143   context_menu_node_.reset();
3144 }
3145
3146 void RenderFrameImpl::willSendRequest(
3147     blink::WebLocalFrame* frame,
3148     unsigned identifier,
3149     blink::WebURLRequest& request,
3150     const blink::WebURLResponse& redirect_response) {
3151   DCHECK(!frame_ || frame_ == frame);
3152   // The request my be empty during tests.
3153   if (request.url().isEmpty())
3154     return;
3155
3156   // Set the first party for cookies url if it has not been set yet (new
3157   // requests). For redirects, it is updated by WebURLLoaderImpl.
3158   if (request.firstPartyForCookies().isEmpty()) {
3159     if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel) {
3160       request.setFirstPartyForCookies(request.url());
3161     } else {
3162       // TODO(nasko): When the top-level frame is remote, there is no document.
3163       // This is broken and should be fixed to propagate the first party.
3164       WebFrame* top = frame->top();
3165       if (top->isWebLocalFrame()) {
3166         request.setFirstPartyForCookies(
3167             frame->top()->document().firstPartyForCookies());
3168       }
3169     }
3170   }
3171
3172   WebDataSource* provisional_data_source = frame->provisionalDataSource();
3173   WebDataSource* data_source =
3174       provisional_data_source ? provisional_data_source : frame->dataSource();
3175
3176   DocumentState* document_state = DocumentState::FromDataSource(data_source);
3177   DCHECK(document_state);
3178   InternalDocumentStateData* internal_data =
3179       InternalDocumentStateData::FromDocumentState(document_state);
3180   NavigationStateImpl* navigation_state =
3181       static_cast<NavigationStateImpl*>(document_state->navigation_state());
3182   ui::PageTransition transition_type = navigation_state->GetTransitionType();
3183   if (provisional_data_source && provisional_data_source->isClientRedirect()) {
3184     transition_type = ui::PageTransitionFromInt(
3185         transition_type | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
3186   }
3187
3188   GURL request_url(request.url());
3189   GURL new_url;
3190   if (GetContentClient()->renderer()->WillSendRequest(
3191           frame,
3192           transition_type,
3193           request_url,
3194           request.firstPartyForCookies(),
3195           &new_url)) {
3196     request.setURL(WebURL(new_url));
3197   }
3198
3199   if (internal_data->is_cache_policy_override_set())
3200     request.setCachePolicy(internal_data->cache_policy_override());
3201
3202   // The request's extra data may indicate that we should set a custom user
3203   // agent. This needs to be done here, after WebKit is through with setting the
3204   // user agent on its own. Similarly, it may indicate that we should set an
3205   // X-Requested-With header. This must be done here to avoid breaking CORS
3206   // checks.
3207   // PlzNavigate: there may also be a stream url associated with the request.
3208   WebString custom_user_agent;
3209   WebString requested_with;
3210   scoped_ptr<StreamOverrideParameters> stream_override;
3211   if (request.extraData()) {
3212     RequestExtraData* old_extra_data =
3213         static_cast<RequestExtraData*>(request.extraData());
3214
3215     custom_user_agent = old_extra_data->custom_user_agent();
3216     if (!custom_user_agent.isNull()) {
3217       if (custom_user_agent.isEmpty())
3218         request.clearHTTPHeaderField("User-Agent");
3219       else
3220         request.setHTTPHeaderField("User-Agent", custom_user_agent);
3221     }
3222
3223     requested_with = old_extra_data->requested_with();
3224     if (!requested_with.isNull()) {
3225       if (requested_with.isEmpty())
3226         request.clearHTTPHeaderField("X-Requested-With");
3227       else
3228         request.setHTTPHeaderField("X-Requested-With", requested_with);
3229     }
3230     stream_override = old_extra_data->TakeStreamOverrideOwnership();
3231   }
3232
3233   // Add the default accept header for frame request if it has not been set
3234   // already.
3235   if ((request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
3236        request.frameType() == blink::WebURLRequest::FrameTypeNested) &&
3237       request.httpHeaderField(WebString::fromUTF8(kAcceptHeader)).isEmpty()) {
3238     request.setHTTPHeaderField(WebString::fromUTF8(kAcceptHeader),
3239                                WebString::fromUTF8(kDefaultAcceptHeader));
3240   }
3241
3242   // Add an empty HTTP origin header for non GET methods if none is currently
3243   // present.
3244   request.addHTTPOriginIfNeeded(WebString());
3245
3246   // Attach |should_replace_current_entry| state to requests so that, should
3247   // this navigation later require a request transfer, all state is preserved
3248   // when it is re-created in the new process.
3249   bool should_replace_current_entry = false;
3250   if (navigation_state->IsContentInitiated()) {
3251     should_replace_current_entry = data_source->replacesCurrentHistoryItem();
3252   } else {
3253     // If the navigation is browser-initiated, the NavigationState contains the
3254     // correct value instead of the WebDataSource.
3255     //
3256     // TODO(davidben): Avoid this awkward duplication of state. See comment on
3257     // NavigationState::should_replace_current_entry().
3258     should_replace_current_entry =
3259         navigation_state->common_params().should_replace_current_entry;
3260   }
3261
3262   int provider_id = kInvalidServiceWorkerProviderId;
3263   if (request.frameType() == blink::WebURLRequest::FrameTypeTopLevel ||
3264       request.frameType() == blink::WebURLRequest::FrameTypeNested) {
3265     // |provisionalDataSource| may be null in some content::ResourceFetcher
3266     // use cases, we don't hook those requests.
3267     if (frame->provisionalDataSource()) {
3268       ServiceWorkerNetworkProvider* provider =
3269           ServiceWorkerNetworkProvider::FromDocumentState(
3270               DocumentState::FromDataSource(frame->provisionalDataSource()));
3271       provider_id = provider->provider_id();
3272     }
3273   } else if (frame->dataSource()) {
3274     ServiceWorkerNetworkProvider* provider =
3275         ServiceWorkerNetworkProvider::FromDocumentState(
3276             DocumentState::FromDataSource(frame->dataSource()));
3277     provider_id = provider->provider_id();
3278   }
3279
3280   WebFrame* parent = frame->parent();
3281   int parent_routing_id = MSG_ROUTING_NONE;
3282   if (!parent) {
3283     parent_routing_id = -1;
3284   } else if (parent->isWebLocalFrame()) {
3285     parent_routing_id = FromWebFrame(parent)->GetRoutingID();
3286   } else {
3287     parent_routing_id = RenderFrameProxy::FromWebFrame(parent)->routing_id();
3288   }
3289
3290   RequestExtraData* extra_data = new RequestExtraData();
3291   extra_data->set_visibility_state(render_view_->visibilityState());
3292   extra_data->set_custom_user_agent(custom_user_agent);
3293   extra_data->set_requested_with(requested_with);
3294   extra_data->set_render_frame_id(routing_id_);
3295   extra_data->set_is_main_frame(!parent);
3296   extra_data->set_frame_origin(
3297       GURL(frame->document().securityOrigin().toString()));
3298   extra_data->set_parent_is_main_frame(parent && !parent->parent());
3299   extra_data->set_parent_render_frame_id(parent_routing_id);
3300   extra_data->set_allow_download(
3301       navigation_state->common_params().allow_download);
3302   extra_data->set_transition_type(transition_type);
3303   extra_data->set_should_replace_current_entry(should_replace_current_entry);
3304   extra_data->set_transferred_request_child_id(
3305       navigation_state->start_params().transferred_request_child_id);
3306   extra_data->set_transferred_request_request_id(
3307       navigation_state->start_params().transferred_request_request_id);
3308   extra_data->set_service_worker_provider_id(provider_id);
3309   extra_data->set_stream_override(stream_override.Pass());
3310   request.setExtraData(extra_data);
3311
3312   // TODO(creis): Update prefetching to work with out-of-process iframes.
3313   WebFrame* top_frame = frame->top();
3314   if (top_frame && top_frame->isWebLocalFrame()) {
3315     DocumentState* top_document_state =
3316         DocumentState::FromDataSource(top_frame->dataSource());
3317     if (top_document_state) {
3318       // TODO(gavinp): separate out prefetching and prerender field trials
3319       // if the rel=prerender rel type is sticking around.
3320       if (request.requestContext() == WebURLRequest::RequestContextPrefetch)
3321         top_document_state->set_was_prefetcher(true);
3322     }
3323   }
3324
3325   // This is an instance where we embed a copy of the routing id
3326   // into the data portion of the message. This can cause problems if we
3327   // don't register this id on the browser side, since the download manager
3328   // expects to find a RenderViewHost based off the id.
3329   request.setRequestorID(render_view_->GetRoutingID());
3330   request.setHasUserGesture(WebUserGestureIndicator::isProcessingUserGesture());
3331
3332   if (!navigation_state->start_params().extra_headers.empty()) {
3333     for (net::HttpUtil::HeadersIterator i(
3334              navigation_state->start_params().extra_headers.begin(),
3335              navigation_state->start_params().extra_headers.end(), "\n");
3336          i.GetNext();) {
3337       if (base::LowerCaseEqualsASCII(i.name(), "referer")) {
3338         WebString referrer = WebSecurityPolicy::generateReferrerHeader(
3339             blink::WebReferrerPolicyDefault,
3340             request.url(),
3341             WebString::fromUTF8(i.values()));
3342         request.setHTTPReferrer(referrer, blink::WebReferrerPolicyDefault);
3343       } else {
3344         request.setHTTPHeaderField(WebString::fromUTF8(i.name()),
3345                                    WebString::fromUTF8(i.values()));
3346       }
3347     }
3348   }
3349
3350   if (!render_view_->renderer_preferences_.enable_referrers)
3351     request.setHTTPReferrer(WebString(), blink::WebReferrerPolicyDefault);
3352 }
3353
3354 void RenderFrameImpl::didReceiveResponse(
3355     blink::WebLocalFrame* frame,
3356     unsigned identifier,
3357     const blink::WebURLResponse& response) {
3358   DCHECK(!frame_ || frame_ == frame);
3359   // Only do this for responses that correspond to a provisional data source
3360   // of the top-most frame.  If we have a provisional data source, then we
3361   // can't have any sub-resources yet, so we know that this response must
3362   // correspond to a frame load.
3363   if (!frame->provisionalDataSource() || frame->parent())
3364     return;
3365
3366   // If we are in view source mode, then just let the user see the source of
3367   // the server's error page.
3368   if (frame->isViewSourceModeEnabled())
3369     return;
3370
3371   DocumentState* document_state =
3372       DocumentState::FromDataSource(frame->provisionalDataSource());
3373   int http_status_code = response.httpStatusCode();
3374
3375   // Record page load flags.
3376   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
3377   if (extra_data) {
3378     document_state->set_was_fetched_via_spdy(
3379         extra_data->was_fetched_via_spdy());
3380     document_state->set_was_npn_negotiated(
3381         extra_data->was_npn_negotiated());
3382     document_state->set_npn_negotiated_protocol(
3383         extra_data->npn_negotiated_protocol());
3384     document_state->set_was_alternate_protocol_available(
3385         extra_data->was_alternate_protocol_available());
3386     document_state->set_connection_info(
3387         extra_data->connection_info());
3388     document_state->set_was_fetched_via_proxy(
3389         extra_data->was_fetched_via_proxy());
3390     document_state->set_proxy_server(
3391         extra_data->proxy_server());
3392   }
3393   InternalDocumentStateData* internal_data =
3394       InternalDocumentStateData::FromDocumentState(document_state);
3395   internal_data->set_http_status_code(http_status_code);
3396 }
3397
3398 void RenderFrameImpl::didLoadResourceFromMemoryCache(
3399     blink::WebLocalFrame* frame,
3400     const blink::WebURLRequest& request,
3401     const blink::WebURLResponse& response) {
3402   DCHECK(!frame_ || frame_ == frame);
3403   // The recipients of this message have no use for data: URLs: they don't
3404   // affect the page's insecure content list and are not in the disk cache. To
3405   // prevent large (1M+) data: URLs from crashing in the IPC system, we simply
3406   // filter them out here.
3407   GURL url(request.url());
3408   if (url.SchemeIs(url::kDataScheme))
3409     return;
3410
3411   // Let the browser know we loaded a resource from the memory cache.  This
3412   // message is needed to display the correct SSL indicators.
3413   render_view_->Send(new ViewHostMsg_DidLoadResourceFromMemoryCache(
3414       render_view_->GetRoutingID(),
3415       url,
3416       response.securityInfo(),
3417       request.httpMethod().utf8(),
3418       response.mimeType().utf8(),
3419       WebURLRequestToResourceType(request)));
3420 }
3421
3422 void RenderFrameImpl::didDisplayInsecureContent(blink::WebLocalFrame* frame) {
3423   DCHECK(!frame_ || frame_ == frame);
3424   render_view_->Send(new ViewHostMsg_DidDisplayInsecureContent(
3425       render_view_->GetRoutingID()));
3426 }
3427
3428 void RenderFrameImpl::didRunInsecureContent(
3429     blink::WebLocalFrame* frame,
3430     const blink::WebSecurityOrigin& origin,
3431     const blink::WebURL& target) {
3432   DCHECK(!frame_ || frame_ == frame);
3433   render_view_->Send(new ViewHostMsg_DidRunInsecureContent(
3434       render_view_->GetRoutingID(),
3435       origin.toString().utf8(),
3436       target));
3437   GetContentClient()->renderer()->RecordRapporURL(
3438       "ContentSettings.MixedScript.RanMixedScript",
3439       GURL(origin.toString().utf8()));
3440 }
3441
3442 void RenderFrameImpl::didAbortLoading(blink::WebLocalFrame* frame) {
3443   DCHECK(!frame_ || frame_ == frame);
3444 #if defined(ENABLE_PLUGINS)
3445   if (frame != render_view_->webview()->mainFrame())
3446     return;
3447   PluginChannelHost::Broadcast(
3448       new PluginHostMsg_DidAbortLoading(render_view_->GetRoutingID()));
3449 #endif
3450 }
3451
3452 void RenderFrameImpl::didCreateScriptContext(blink::WebLocalFrame* frame,
3453                                              v8::Local<v8::Context> context,
3454                                              int extension_group,
3455                                              int world_id) {
3456   DCHECK(!frame_ || frame_ == frame);
3457
3458   FOR_EACH_OBSERVER(RenderFrameObserver, observers_,
3459                     DidCreateScriptContext(context, extension_group, world_id));
3460 }
3461
3462 void RenderFrameImpl::willReleaseScriptContext(blink::WebLocalFrame* frame,
3463                                                v8::Local<v8::Context> context,
3464                                                int world_id) {
3465   DCHECK(!frame_ || frame_ == frame);
3466
3467   FOR_EACH_OBSERVER(RenderFrameObserver,
3468                     observers_,
3469                     WillReleaseScriptContext(context, world_id));
3470 }
3471
3472 void RenderFrameImpl::didFirstVisuallyNonEmptyLayout(
3473     blink::WebLocalFrame* frame) {
3474   DCHECK(!frame_ || frame_ == frame);
3475   if (frame->parent())
3476     return;
3477
3478   InternalDocumentStateData* data =
3479       InternalDocumentStateData::FromDataSource(frame->dataSource());
3480   data->set_did_first_visually_non_empty_layout(true);
3481
3482 #if defined(OS_ANDROID)
3483   GetRenderWidget()->DidChangeBodyBackgroundColor(
3484       render_view_->webwidget_->backgroundColor());
3485 #endif
3486
3487   GetRenderWidget()->QueueMessage(
3488       new FrameHostMsg_DidFirstVisuallyNonEmptyPaint(routing_id_),
3489       MESSAGE_DELIVERY_POLICY_WITH_VISUAL_STATE);
3490 }
3491
3492 void RenderFrameImpl::didChangeScrollOffset(blink::WebLocalFrame* frame) {
3493   DCHECK(!frame_ || frame_ == frame);
3494   // TODO(nasko): Move implementation here. Needed methods:
3495   // * StartNavStateSyncTimerIfNecessary
3496   render_view_->didChangeScrollOffset(frame);
3497
3498   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeScrollOffset());
3499 }
3500
3501 void RenderFrameImpl::willInsertBody(blink::WebLocalFrame* frame) {
3502   DCHECK(!frame_ || frame_ == frame);
3503   if (!frame->parent()) {
3504     render_view_->Send(new ViewHostMsg_WillInsertBody(
3505         render_view_->GetRoutingID()));
3506   }
3507 }
3508
3509 void RenderFrameImpl::reportFindInPageMatchCount(int request_id,
3510                                                  int count,
3511                                                  bool final_update) {
3512   int active_match_ordinal = -1;  // -1 = don't update active match ordinal
3513   if (!count)
3514     active_match_ordinal = 0;
3515
3516   render_view_->Send(new ViewHostMsg_Find_Reply(
3517       render_view_->GetRoutingID(), request_id, count,
3518       gfx::Rect(), active_match_ordinal, final_update));
3519 }
3520
3521 void RenderFrameImpl::reportFindInPageSelection(
3522     int request_id,
3523     int active_match_ordinal,
3524     const blink::WebRect& selection_rect) {
3525   render_view_->Send(new ViewHostMsg_Find_Reply(
3526       render_view_->GetRoutingID(), request_id, -1, selection_rect,
3527       active_match_ordinal, false));
3528 }
3529
3530 void RenderFrameImpl::requestStorageQuota(
3531     blink::WebLocalFrame* frame,
3532     blink::WebStorageQuotaType type,
3533     unsigned long long requested_size,
3534     blink::WebStorageQuotaCallbacks callbacks) {
3535   DCHECK(!frame_ || frame_ == frame);
3536   WebSecurityOrigin origin = frame->document().securityOrigin();
3537   if (origin.isUnique()) {
3538     // Unique origins cannot store persistent state.
3539     callbacks.didFail(blink::WebStorageQuotaErrorAbort);
3540     return;
3541   }
3542   ChildThreadImpl::current()->quota_dispatcher()->RequestStorageQuota(
3543       render_view_->GetRoutingID(),
3544       GURL(origin.toString()),
3545       static_cast<storage::StorageType>(type),
3546       requested_size,
3547       QuotaDispatcher::CreateWebStorageQuotaCallbacksWrapper(callbacks));
3548 }
3549
3550 void RenderFrameImpl::willOpenWebSocket(blink::WebSocketHandle* handle) {
3551   WebSocketBridge* impl = static_cast<WebSocketBridge*>(handle);
3552   impl->set_render_frame_id(routing_id_);
3553 }
3554
3555 blink::WebGeolocationClient* RenderFrameImpl::geolocationClient() {
3556   if (!geolocation_dispatcher_)
3557     geolocation_dispatcher_ = new GeolocationDispatcher(this);
3558   return geolocation_dispatcher_;
3559 }
3560
3561 blink::WebPresentationClient* RenderFrameImpl::presentationClient() {
3562   if (!presentation_dispatcher_)
3563     presentation_dispatcher_ = new PresentationDispatcher(this);
3564   return presentation_dispatcher_;
3565 }
3566
3567 blink::WebPushClient* RenderFrameImpl::pushClient() {
3568   if (!push_messaging_dispatcher_)
3569     push_messaging_dispatcher_ = new PushMessagingDispatcher(this);
3570   return push_messaging_dispatcher_;
3571 }
3572
3573 void RenderFrameImpl::willStartUsingPeerConnectionHandler(
3574     blink::WebLocalFrame* frame,
3575     blink::WebRTCPeerConnectionHandler* handler) {
3576   DCHECK(!frame_ || frame_ == frame);
3577 #if defined(ENABLE_WEBRTC)
3578   static_cast<RTCPeerConnectionHandler*>(handler)->associateWithFrame(frame);
3579 #endif
3580 }
3581
3582 blink::WebUserMediaClient* RenderFrameImpl::userMediaClient() {
3583   if (!web_user_media_client_)
3584     InitializeUserMediaClient();
3585   return web_user_media_client_;
3586 }
3587
3588 blink::WebEncryptedMediaClient* RenderFrameImpl::encryptedMediaClient() {
3589   if (!web_encrypted_media_client_) {
3590     web_encrypted_media_client_.reset(new media::WebEncryptedMediaClientImpl(
3591         // base::Unretained(this) is safe because WebEncryptedMediaClientImpl
3592         // is destructed before |this|, and does not give away ownership of the
3593         // callback.
3594         base::Bind(&RenderFrameImpl::AreSecureCodecsSupported,
3595                    base::Unretained(this)),
3596         GetCdmFactory(), GetMediaPermission()));
3597   }
3598   return web_encrypted_media_client_.get();
3599 }
3600
3601 blink::WebMIDIClient* RenderFrameImpl::webMIDIClient() {
3602   if (!midi_dispatcher_)
3603     midi_dispatcher_ = new MidiDispatcher(this);
3604   return midi_dispatcher_;
3605 }
3606
3607 bool RenderFrameImpl::willCheckAndDispatchMessageEvent(
3608     blink::WebLocalFrame* source_frame,
3609     blink::WebFrame* target_frame,
3610     blink::WebSecurityOrigin target_origin,
3611     blink::WebDOMMessageEvent event) {
3612   DCHECK(!frame_ || frame_ == target_frame);
3613
3614   // Currently, a postMessage that targets a cross-process frame can be plumbed
3615   // either through this function or RenderFrameProxy::postMessageEvent. This
3616   // function is used when the target cross-process frame is a top-level frame
3617   // which has been swapped out.  In that case, the corresponding WebLocalFrame
3618   // currently remains in the frame tree even in site-per-process mode (see
3619   // OnSwapOut). RenderFrameProxy::postMessageEvent is used in
3620   // --site-per-process mode for all other cases.
3621   //
3622   // TODO(alexmos, nasko): When swapped-out:// disappears, this should be
3623   // cleaned up so that RenderFrameProxy::postMessageEvent is the only path for
3624   // cross-process postMessages.
3625   if (!is_swapped_out_)
3626     return false;
3627
3628   // It is possible to get here on a swapped-out frame without a
3629   // |render_frame_proxy_|. This happens when:
3630   // - This process only has one active RenderView and is about to go away
3631   //   (e.g., due to cross-process navigation).
3632   // - The top frame has a subframe with an unload handler.
3633   // - The subframe sends a postMessage to the top-level frame in its unload
3634   //   handler.
3635   // See https://crbug.com/475651 for details.  We return false here, since we
3636   // don't want to deliver the message to the new process in this case.
3637   if (!render_frame_proxy_)
3638     return false;
3639
3640   render_frame_proxy_->postMessageEvent(
3641       source_frame, render_frame_proxy_->web_frame(), target_origin, event);
3642   return true;
3643 }
3644
3645 blink::WebString RenderFrameImpl::userAgentOverride(blink::WebLocalFrame* frame,
3646                                                     const blink::WebURL& url) {
3647   DCHECK(!frame_ || frame_ == frame);
3648   std::string user_agent_override_for_url =
3649       GetContentClient()->renderer()->GetUserAgentOverrideForURL(GURL(url));
3650   if (!user_agent_override_for_url.empty())
3651     return WebString::fromUTF8(user_agent_override_for_url);
3652
3653   if (!render_view_->webview() || !render_view_->webview()->mainFrame() ||
3654       render_view_->renderer_preferences_.user_agent_override.empty()) {
3655     return blink::WebString();
3656   }
3657
3658   // TODO(nasko): When the top-level frame is remote, there is no WebDataSource
3659   // associated with it, so the checks below are not valid. Temporarily
3660   // return early and fix properly as part of https://crbug.com/426555.
3661   if (render_view_->webview()->mainFrame()->isWebRemoteFrame())
3662     return blink::WebString();
3663
3664   // If we're in the middle of committing a load, the data source we need
3665   // will still be provisional.
3666   WebFrame* main_frame = render_view_->webview()->mainFrame();
3667   WebDataSource* data_source = NULL;
3668   if (main_frame->provisionalDataSource())
3669     data_source = main_frame->provisionalDataSource();
3670   else
3671     data_source = main_frame->dataSource();
3672
3673   InternalDocumentStateData* internal_data = data_source ?
3674       InternalDocumentStateData::FromDataSource(data_source) : NULL;
3675   if (internal_data && internal_data->is_overriding_user_agent())
3676     return WebString::fromUTF8(
3677         render_view_->renderer_preferences_.user_agent_override);
3678   return blink::WebString();
3679 }
3680
3681 blink::WebString RenderFrameImpl::doNotTrackValue(blink::WebLocalFrame* frame) {
3682   DCHECK(!frame_ || frame_ == frame);
3683   if (render_view_->renderer_preferences_.enable_do_not_track)
3684     return WebString::fromUTF8("1");
3685   return WebString();
3686 }
3687
3688 bool RenderFrameImpl::allowWebGL(blink::WebLocalFrame* frame,
3689                                  bool default_value) {
3690   DCHECK(!frame_ || frame_ == frame);
3691   if (!default_value)
3692     return false;
3693
3694   bool blocked = true;
3695   render_view_->Send(new ViewHostMsg_Are3DAPIsBlocked(
3696       render_view_->GetRoutingID(),
3697       GURL(frame->top()->securityOrigin().toString()),
3698       THREE_D_API_TYPE_WEBGL,
3699       &blocked));
3700   return !blocked;
3701 }
3702
3703 void RenderFrameImpl::didLoseWebGLContext(blink::WebLocalFrame* frame,
3704                                           int arb_robustness_status_code) {
3705   DCHECK(!frame_ || frame_ == frame);
3706   render_view_->Send(new ViewHostMsg_DidLose3DContext(
3707       GURL(frame->top()->securityOrigin().toString()),
3708       THREE_D_API_TYPE_WEBGL,
3709       arb_robustness_status_code));
3710 }
3711
3712 blink::WebScreenOrientationClient*
3713     RenderFrameImpl::webScreenOrientationClient() {
3714   if (!screen_orientation_dispatcher_)
3715     screen_orientation_dispatcher_ = new ScreenOrientationDispatcher(this);
3716   return screen_orientation_dispatcher_;
3717 }
3718
3719 bool RenderFrameImpl::isControlledByServiceWorker(WebDataSource& data_source) {
3720   ServiceWorkerNetworkProvider* provider =
3721       ServiceWorkerNetworkProvider::FromDocumentState(
3722           DocumentState::FromDataSource(&data_source));
3723   if (!provider->context())
3724     return false;
3725   return provider->context()->controller_handle_id() !=
3726       kInvalidServiceWorkerHandleId;
3727 }
3728
3729 int64_t RenderFrameImpl::serviceWorkerID(WebDataSource& data_source) {
3730   ServiceWorkerNetworkProvider* provider =
3731       ServiceWorkerNetworkProvider::FromDocumentState(
3732           DocumentState::FromDataSource(&data_source));
3733   if (provider->context() && provider->context()->controller())
3734     return provider->context()->controller()->version_id();
3735   return kInvalidServiceWorkerVersionId;
3736 }
3737
3738 void RenderFrameImpl::postAccessibilityEvent(const blink::WebAXObject& obj,
3739                                              blink::WebAXEvent event) {
3740   HandleWebAccessibilityEvent(obj, event);
3741 }
3742
3743 void RenderFrameImpl::handleAccessibilityFindInPageResult(
3744     int identifier,
3745     int match_index,
3746     const blink::WebAXObject& start_object,
3747     int start_offset,
3748     const blink::WebAXObject& end_object,
3749     int end_offset) {
3750   if (renderer_accessibility_) {
3751     renderer_accessibility_->HandleAccessibilityFindInPageResult(
3752         identifier, match_index, start_object, start_offset,
3753         end_object, end_offset);
3754   }
3755 }
3756
3757 void RenderFrameImpl::didChangeManifest(blink::WebLocalFrame* frame) {
3758   DCHECK(!frame_ || frame_ == frame);
3759
3760   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, DidChangeManifest());
3761 }
3762
3763 bool RenderFrameImpl::enterFullscreen() {
3764   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, true));
3765   return true;
3766 }
3767
3768 bool RenderFrameImpl::exitFullscreen() {
3769   Send(new FrameHostMsg_ToggleFullscreen(routing_id_, false));
3770   return true;
3771 }
3772
3773 blink::WebPermissionClient* RenderFrameImpl::permissionClient() {
3774   if (!permission_client_)
3775     permission_client_.reset(new PermissionDispatcher(GetServiceRegistry()));
3776
3777   return permission_client_.get();
3778 }
3779
3780 blink::WebAppBannerClient* RenderFrameImpl::appBannerClient() {
3781   if (!app_banner_client_) {
3782     app_banner_client_ =
3783         GetContentClient()->renderer()->CreateAppBannerClient(this);
3784   }
3785
3786   return app_banner_client_.get();
3787 }
3788
3789 void RenderFrameImpl::registerProtocolHandler(const WebString& scheme,
3790                                               const WebURL& url,
3791                                               const WebString& title) {
3792   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3793   Send(new FrameHostMsg_RegisterProtocolHandler(
3794       routing_id_,
3795       base::UTF16ToUTF8(base::StringPiece16(scheme)),
3796       url,
3797       title,
3798       user_gesture));
3799 }
3800
3801 void RenderFrameImpl::unregisterProtocolHandler(const WebString& scheme,
3802                                                 const WebURL& url) {
3803   bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
3804   Send(new FrameHostMsg_UnregisterProtocolHandler(
3805       routing_id_,
3806       base::UTF16ToUTF8(base::StringPiece16(scheme)),
3807       url,
3808       user_gesture));
3809 }
3810
3811 blink::WebBluetooth* RenderFrameImpl::bluetooth() {
3812   if (!bluetooth_) {
3813     bluetooth_.reset(new WebBluetoothImpl(
3814         ChildThreadImpl::current()->thread_safe_sender(), routing_id_));
3815   }
3816
3817   return bluetooth_.get();
3818 }
3819
3820 #if defined(ENABLE_WEBVR)
3821 blink::WebVRClient* RenderFrameImpl::webVRClient() {
3822   if (!vr_dispatcher_)
3823     vr_dispatcher_.reset(new VRDispatcher(GetServiceRegistry()));
3824
3825   return vr_dispatcher_.get();
3826 }
3827 #endif
3828
3829 void RenderFrameImpl::DidPlay(WebMediaPlayer* player) {
3830   Send(new FrameHostMsg_MediaPlayingNotification(
3831       routing_id_, reinterpret_cast<int64>(player), player->hasVideo(),
3832       player->hasAudio(), player->isRemote()));
3833 }
3834
3835 void RenderFrameImpl::DidPause(WebMediaPlayer* player) {
3836   Send(new FrameHostMsg_MediaPausedNotification(
3837       routing_id_, reinterpret_cast<int64>(player)));
3838 }
3839
3840 void RenderFrameImpl::PlayerGone(WebMediaPlayer* player) {
3841   DidPause(player);
3842 }
3843
3844 void RenderFrameImpl::AddObserver(RenderFrameObserver* observer) {
3845   observers_.AddObserver(observer);
3846 }
3847
3848 void RenderFrameImpl::RemoveObserver(RenderFrameObserver* observer) {
3849   observer->RenderFrameGone();
3850   observers_.RemoveObserver(observer);
3851 }
3852
3853 void RenderFrameImpl::OnStop() {
3854   DCHECK(frame_);
3855   frame_->stopLoading();
3856   if (!frame_->parent())
3857     FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers_, OnStop());
3858
3859   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, OnStop());
3860 }
3861
3862 void RenderFrameImpl::WasHidden() {
3863   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasHidden());
3864 }
3865
3866 void RenderFrameImpl::WasShown() {
3867   // TODO(kenrb): Need to figure out how to do this better. Should
3868   // VisibilityState remain a page-level concept or move to frames?
3869   // The semantics of 'Show' might have to change here.
3870   if (render_widget_) {
3871     static_cast<blink::WebFrameWidget*>(render_widget_->webwidget())->
3872         setVisibilityState(blink::WebPageVisibilityStateVisible, false);
3873   }
3874   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WasShown());
3875 }
3876
3877 void RenderFrameImpl::WidgetWillClose() {
3878   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, WidgetWillClose());
3879 }
3880
3881 bool RenderFrameImpl::IsHidden() {
3882   return GetRenderWidget()->is_hidden();
3883 }
3884
3885 // Tell the embedding application that the URL of the active page has changed.
3886 void RenderFrameImpl::SendDidCommitProvisionalLoad(
3887     blink::WebFrame* frame,
3888     blink::WebHistoryCommitType commit_type,
3889     const blink::WebHistoryItem& item) {
3890   DCHECK(!frame_ || frame_ == frame);
3891   WebDataSource* ds = frame->dataSource();
3892   DCHECK(ds);
3893
3894   const WebURLRequest& request = ds->request();
3895   const WebURLResponse& response = ds->response();
3896
3897   DocumentState* document_state = DocumentState::FromDataSource(ds);
3898   NavigationStateImpl* navigation_state =
3899       static_cast<NavigationStateImpl*>(document_state->navigation_state());
3900   InternalDocumentStateData* internal_data =
3901       InternalDocumentStateData::FromDocumentState(document_state);
3902
3903   FrameHostMsg_DidCommitProvisionalLoad_Params params;
3904   params.http_status_code = response.httpStatusCode();
3905   params.url_is_unreachable = ds->hasUnreachableURL();
3906   params.is_post = false;
3907   params.intended_as_new_entry =
3908       navigation_state->request_params().intended_as_new_entry;
3909   params.did_create_new_entry = commit_type == blink::WebStandardCommit;
3910   params.post_id = -1;
3911   params.page_id = render_view_->page_id_;
3912   params.nav_entry_id = navigation_state->request_params().nav_entry_id;
3913   // We need to track the RenderViewHost routing_id because of downstream
3914   // dependencies (crbug.com/392171 DownloadRequestHandle, SaveFileManager,
3915   // ResourceDispatcherHostImpl, MediaStreamUIProxy,
3916   // SpeechRecognitionDispatcherHost and possibly others). They look up the view
3917   // based on the ID stored in the resource requests. Once those dependencies
3918   // are unwound or moved to RenderFrameHost (crbug.com/304341) we can move the
3919   // client to be based on the routing_id of the RenderFrameHost.
3920   params.render_view_routing_id = render_view_->routing_id();
3921   params.socket_address.set_host(response.remoteIPAddress().utf8());
3922   params.socket_address.set_port(response.remotePort());
3923   WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response);
3924   if (extra_data)
3925     params.was_fetched_via_proxy = extra_data->was_fetched_via_proxy();
3926   params.was_within_same_page = navigation_state->WasWithinSamePage();
3927   params.security_info = response.securityInfo();
3928
3929   // Set the URL to be displayed in the browser UI to the user.
3930   params.url = GetLoadingUrl();
3931   DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL));
3932
3933   // Set the origin of the frame.  This will be replicated to the corresponding
3934   // RenderFrameProxies in other processes.
3935   // TODO(alexmos): Origins for URLs with non-standard schemes are excluded due
3936   // to https://crbug.com/439608 and will be replicated as unique origins.
3937   if (!is_swapped_out_) {
3938     std::string scheme = frame->document().securityOrigin().protocol().utf8();
3939     if (url::IsStandard(scheme.c_str(),
3940                         url::Component(0, static_cast<int>(scheme.length())))) {
3941       params.origin = frame->document().securityOrigin();
3942     }
3943   }
3944
3945   if (frame->document().baseURL() != params.url)
3946     params.base_url = frame->document().baseURL();
3947
3948   GetRedirectChain(ds, &params.redirects);
3949   params.should_update_history = !ds->hasUnreachableURL() &&
3950       !response.isMultipartPayload() && (response.httpStatusCode() != 404);
3951
3952   params.searchable_form_url = internal_data->searchable_form_url();
3953   params.searchable_form_encoding = internal_data->searchable_form_encoding();
3954
3955   params.gesture = render_view_->navigation_gesture_;
3956   render_view_->navigation_gesture_ = NavigationGestureUnknown;
3957
3958   // Make navigation state a part of the DidCommitProvisionalLoad message so
3959   // that committed entry has it at all times.
3960   HistoryEntry* entry = render_view_->history_controller()->GetCurrentEntry();
3961   if (!SiteIsolationPolicy::UseSubframeNavigationEntries()) {
3962     if (entry)
3963       params.page_state = HistoryEntryToPageState(entry);
3964     else
3965       params.page_state = PageState::CreateFromURL(request.url());
3966   } else {
3967     // In --site-per-process, just send a single HistoryItem for this frame,
3968     // rather than the whole tree.  It will be stored in the corresponding
3969     // FrameNavigationEntry.
3970     params.page_state = SingleHistoryItemToPageState(item);
3971   }
3972   params.item_sequence_number = item.itemSequenceNumber();
3973   params.document_sequence_number = item.documentSequenceNumber();
3974
3975   if (!frame->parent()) {
3976     // Top-level navigation.
3977
3978     // Reset the zoom limits in case a plugin had changed them previously. This
3979     // will also call us back which will cause us to send a message to
3980     // update WebContentsImpl.
3981     render_view_->webview()->zoomLimitsChanged(
3982         ZoomFactorToZoomLevel(kMinimumZoomFactor),
3983         ZoomFactorToZoomLevel(kMaximumZoomFactor));
3984
3985     // Set zoom level, but don't do it for full-page plugin since they don't use
3986     // the same zoom settings.
3987     HostZoomLevels::iterator host_zoom =
3988         render_view_->host_zoom_levels_.find(GURL(request.url()));
3989     if (render_view_->webview()->mainFrame()->document().isPluginDocument()) {
3990       // Reset the zoom levels for plugins.
3991       render_view_->webview()->setZoomLevel(0);
3992     } else {
3993       // If the zoom level is not found, then do nothing. In-page navigation
3994       // relies on not changing the zoom level in this case.
3995       if (host_zoom != render_view_->host_zoom_levels_.end())
3996         render_view_->webview()->setZoomLevel(host_zoom->second);
3997     }
3998
3999     if (host_zoom != render_view_->host_zoom_levels_.end()) {
4000       // This zoom level was merely recorded transiently for this load.  We can
4001       // erase it now.  If at some point we reload this page, the browser will
4002       // send us a new, up-to-date zoom level.
4003       render_view_->host_zoom_levels_.erase(host_zoom);
4004     }
4005
4006     // Update contents MIME type for main frame.
4007     params.contents_mime_type = ds->response().mimeType().utf8();
4008
4009     params.transition = navigation_state->GetTransitionType();
4010     if (!ui::PageTransitionIsMainFrame(params.transition)) {
4011       // If the main frame does a load, it should not be reported as a subframe
4012       // navigation.  This can occur in the following case:
4013       // 1. You're on a site with frames.
4014       // 2. You do a subframe navigation.  This is stored with transition type
4015       //    MANUAL_SUBFRAME.
4016       // 3. You navigate to some non-frame site, say, google.com.
4017       // 4. You navigate back to the page from step 2.  Since it was initially
4018       //    MANUAL_SUBFRAME, it will be that same transition type here.
4019       // We don't want that, because any navigation that changes the toplevel
4020       // frame should be tracked as a toplevel navigation (this allows us to
4021       // update the URL bar, etc).
4022       params.transition = ui::PAGE_TRANSITION_LINK;
4023     }
4024
4025     // If the page contained a client redirect (meta refresh, document.loc...),
4026     // set the referrer and transition appropriately.
4027     if (ds->isClientRedirect()) {
4028       params.referrer =
4029           Referrer(params.redirects[0], ds->request().referrerPolicy());
4030       params.transition = ui::PageTransitionFromInt(
4031           params.transition | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
4032     } else {
4033       params.referrer = RenderViewImpl::GetReferrerFromRequest(
4034           frame, ds->request());
4035     }
4036
4037     base::string16 method = request.httpMethod();
4038     if (base::EqualsASCII(method, "POST")) {
4039       params.is_post = true;
4040       params.post_id = ExtractPostId(entry);
4041     }
4042
4043     // Send the user agent override back.
4044     params.is_overriding_user_agent = internal_data->is_overriding_user_agent();
4045
4046     // Track the URL of the original request.  We use the first entry of the
4047     // redirect chain if it exists because the chain may have started in another
4048     // process.
4049     params.original_request_url = GetOriginalRequestURL(ds);
4050
4051     params.history_list_was_cleared =
4052         navigation_state->request_params().should_clear_history_list;
4053
4054     params.report_type = static_cast<FrameMsg_UILoadMetricsReportType::Value>(
4055         frame->dataSource()->request().inputPerfMetricReportPolicy());
4056     params.ui_timestamp = base::TimeTicks() + base::TimeDelta::FromSecondsD(
4057         frame->dataSource()->request().uiStartTime());
4058
4059     // Save some histogram data so we can compute the average memory used per
4060     // page load of the glyphs.
4061     UMA_HISTOGRAM_COUNTS_10000("Memory.GlyphPagesPerLoad",
4062                                blink::WebGlyphCache::pageCount());
4063
4064     // This message needs to be sent before any of allowScripts(),
4065     // allowImages(), allowPlugins() is called for the new page, so that when
4066     // these functions send a ViewHostMsg_ContentBlocked message, it arrives
4067     // after the FrameHostMsg_DidCommitProvisionalLoad message.
4068     Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
4069   } else {
4070     // Subframe navigation: the type depends on whether this navigation
4071     // generated a new session history entry. When they do generate a session
4072     // history entry, it means the user initiated the navigation and we should
4073     // mark it as such.
4074     if (commit_type == blink::WebStandardCommit)
4075       params.transition = ui::PAGE_TRANSITION_MANUAL_SUBFRAME;
4076     else
4077       params.transition = ui::PAGE_TRANSITION_AUTO_SUBFRAME;
4078
4079     DCHECK(!navigation_state->request_params().should_clear_history_list);
4080     params.history_list_was_cleared = false;
4081     params.report_type = FrameMsg_UILoadMetricsReportType::NO_REPORT;
4082
4083     // Don't send this message while the subframe is swapped out.
4084     if (!is_swapped_out())
4085       Send(new FrameHostMsg_DidCommitProvisionalLoad(routing_id_, params));
4086   }
4087
4088   // If we end up reusing this WebRequest (for example, due to a #ref click),
4089   // we don't want the transition type to persist.  Just clear it.
4090   navigation_state->set_transition_type(ui::PAGE_TRANSITION_LINK);
4091 }
4092
4093 void RenderFrameImpl::didStartLoading(bool to_different_document) {
4094   TRACE_EVENT1("navigation", "RenderFrameImpl::didStartLoading",
4095                "id", routing_id_);
4096   render_view_->FrameDidStartLoading(frame_);
4097   Send(new FrameHostMsg_DidStartLoading(routing_id_, to_different_document));
4098 }
4099
4100 void RenderFrameImpl::didStopLoading() {
4101   TRACE_EVENT1("navigation", "RenderFrameImpl::didStopLoading",
4102                "id", routing_id_);
4103   render_view_->FrameDidStopLoading(frame_);
4104   Send(new FrameHostMsg_DidStopLoading(routing_id_));
4105 }
4106
4107 void RenderFrameImpl::didChangeLoadProgress(double load_progress) {
4108   Send(new FrameHostMsg_DidChangeLoadProgress(routing_id_, load_progress));
4109 }
4110
4111 void RenderFrameImpl::HandleWebAccessibilityEvent(
4112     const blink::WebAXObject& obj, blink::WebAXEvent event) {
4113   if (renderer_accessibility_)
4114     renderer_accessibility_->HandleWebAccessibilityEvent(obj, event);
4115 }
4116
4117 void RenderFrameImpl::FocusedNodeChanged(const WebNode& node) {
4118   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FocusedNodeChanged(node));
4119 }
4120
4121 void RenderFrameImpl::FocusedNodeChangedForAccessibility(const WebNode& node) {
4122   if (renderer_accessibility())
4123     renderer_accessibility()->AccessibilityFocusedNodeChanged(node);
4124 }
4125
4126 // PlzNavigate
4127 void RenderFrameImpl::OnCommitNavigation(
4128     const ResourceResponseHead& response,
4129     const GURL& stream_url,
4130     const CommonNavigationParams& common_params,
4131     const RequestNavigationParams& request_params) {
4132   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
4133       switches::kEnableBrowserSideNavigation));
4134   // This will override the url requested by the WebURLLoader, as well as
4135   // provide it with the response to the request.
4136   scoped_ptr<StreamOverrideParameters> stream_override(
4137       new StreamOverrideParameters());
4138   stream_override->stream_url = stream_url;
4139   stream_override->response = response;
4140
4141   NavigateInternal(common_params, StartNavigationParams(), request_params,
4142                    stream_override.Pass());
4143 }
4144
4145 void RenderFrameImpl::OnFailedNavigation(
4146     const CommonNavigationParams& common_params,
4147     const RequestNavigationParams& request_params,
4148     bool has_stale_copy_in_cache,
4149     int error_code) {
4150   bool is_reload = IsReload(common_params.navigation_type);
4151   bool is_history_navigation = request_params.page_state.IsValid();
4152   WebURLRequest::CachePolicy cache_policy =
4153       WebURLRequest::UseProtocolCachePolicy;
4154   RenderFrameImpl::PrepareRenderViewForNavigation(
4155       common_params.url, request_params, &is_reload, &cache_policy);
4156
4157   GetContentClient()->SetActiveURL(common_params.url);
4158
4159   pending_navigation_params_.reset(new NavigationParams(
4160       common_params, StartNavigationParams(), request_params));
4161
4162   // Inform the browser of the start of the provisional load. This is needed so
4163   // that the load is properly tracked by the WebNavigation API.
4164   Send(new FrameHostMsg_DidStartProvisionalLoadForFrame(
4165       routing_id_, common_params.url));
4166
4167   // Send the provisional load failure.
4168   blink::WebURLError error =
4169       CreateWebURLError(common_params.url, has_stale_copy_in_cache, error_code);
4170   WebURLRequest failed_request = CreateURLRequestForNavigation(
4171       common_params, scoped_ptr<StreamOverrideParameters>(),
4172       frame_->isViewSourceModeEnabled());
4173   SendFailedProvisionalLoad(failed_request, error, frame_);
4174
4175   if (!ShouldDisplayErrorPageForFailedLoad(error_code, common_params.url)) {
4176     // TODO(avi): Remove this; we shouldn't ever be dropping navigations.
4177     // http://crbug.com/501960
4178     Send(new FrameHostMsg_DidDropNavigation(routing_id_));
4179     return;
4180   }
4181
4182   // Make sure errors are not shown in view source mode.
4183   frame_->enableViewSourceMode(false);
4184
4185   // Replace the current history entry in reloads, history navigations and loads
4186   // of the same url. This corresponds to Blink's notion of a standard
4187   // commit.
4188   // TODO(clamy): see if initial commits in subframes should be handled
4189   // separately.
4190   bool replace = is_reload || is_history_navigation ||
4191                  common_params.url == GetLoadingUrl();
4192   LoadNavigationErrorPage(failed_request, error, replace);
4193 }
4194
4195 WebNavigationPolicy RenderFrameImpl::DecidePolicyForNavigation(
4196     RenderFrame* render_frame,
4197     const NavigationPolicyInfo& info) {
4198   Referrer referrer(RenderViewImpl::GetReferrerFromRequest(info.frame,
4199                                                            info.urlRequest));
4200
4201   // TODO(nick): Is consulting |is_subframe_| here correct?
4202   if (SiteIsolationPolicy::IsSwappedOutStateForbidden() && is_subframe_) {
4203     // There's no reason to ignore navigations on subframes, since the swap out
4204     // logic no longer applies.
4205   } else {
4206     if (is_swapped_out_) {
4207       if (info.urlRequest.url() != GURL(kSwappedOutURL)) {
4208         // Targeted links may try to navigate a swapped out frame.  Allow the
4209         // browser process to navigate the tab instead.  Note that it is also
4210         // possible for non-targeted navigations (from this view) to arrive
4211         // here just after we are swapped out.  It's ok to send them to the
4212         // browser, as long as they're for the top level frame.
4213         // TODO(creis): Ensure this supports targeted form submissions when
4214         // fixing http://crbug.com/101395.
4215         if (info.frame->parent() == NULL) {
4216           OpenURL(info.frame, info.urlRequest.url(), referrer,
4217                   info.defaultPolicy);
4218           return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4219         }
4220
4221         // We should otherwise ignore in-process iframe navigations, if they
4222         // arrive just after we are swapped out.
4223         return blink::WebNavigationPolicyIgnore;
4224       }
4225
4226       // Allow kSwappedOutURL to complete.
4227       return info.defaultPolicy;
4228     }
4229   }
4230
4231   // Webkit is asking whether to navigate to a new URL.
4232   // This is fine normally, except if we're showing UI from one security
4233   // context and they're trying to navigate to a different context.
4234   const GURL& url = info.urlRequest.url();
4235
4236   // A content initiated navigation may have originated from a link-click,
4237   // script, drag-n-drop operation, etc.
4238   DocumentState* document_state = static_cast<DocumentState*>(info.extraData);
4239   bool is_content_initiated =
4240       document_state->navigation_state()->IsContentInitiated();
4241
4242   // If the browser is interested, then give it a chance to look at the request.
4243   if (is_content_initiated) {
4244     bool is_form_post =
4245         ((info.navigationType == blink::WebNavigationTypeFormSubmitted) ||
4246             (info.navigationType == blink::WebNavigationTypeFormResubmitted)) &&
4247         base::EqualsASCII(base::StringPiece16(info.urlRequest.httpMethod()),
4248                           "POST");
4249     bool browser_handles_request =
4250         render_view_->renderer_preferences_
4251             .browser_handles_non_local_top_level_requests
4252         && IsNonLocalTopLevelNavigation(url, info.frame, info.navigationType,
4253                                         is_form_post);
4254     if (!browser_handles_request) {
4255       browser_handles_request = IsTopLevelNavigation(info.frame) &&
4256           render_view_->renderer_preferences_
4257               .browser_handles_all_top_level_requests;
4258     }
4259
4260     if (browser_handles_request) {
4261       OpenURL(info.frame, url, referrer, info.defaultPolicy);
4262       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4263     }
4264   }
4265
4266   // Use the frame's original request's URL rather than the document's URL for
4267   // subsequent checks.  For a popup, the document's URL may become the opener
4268   // window's URL if the opener has called document.write().
4269   // See http://crbug.com/93517.
4270   GURL old_url(info.frame->dataSource()->request().url());
4271
4272   // Detect when we're crossing a permission-based boundary (e.g. into or out of
4273   // an extension or app origin, leaving a WebUI page, etc). We only care about
4274   // top-level navigations (not iframes). But we sometimes navigate to
4275   // about:blank to clear a tab, and we want to still allow that.
4276   //
4277   // Note: this is known to break POST submissions when crossing process
4278   // boundaries until http://crbug.com/101395 is fixed.  This is better for
4279   // security than loading a WebUI, extension or app page in the wrong process.
4280   // POST requests don't work because this mechanism does not preserve form
4281   // POST data. We will need to send the request's httpBody data up to the
4282   // browser process, and issue a special POST navigation in WebKit (via
4283   // FrameLoader::loadFrameRequest). See ResourceDispatcher and WebURLLoaderImpl
4284   // for examples of how to send the httpBody data.
4285   if (!info.frame->parent() && is_content_initiated &&
4286       !url.SchemeIs(url::kAboutScheme)) {
4287     bool send_referrer = false;
4288
4289     // All navigations to or from WebUI URLs or within WebUI-enabled
4290     // RenderProcesses must be handled by the browser process so that the
4291     // correct bindings and data sources can be registered.
4292     // Similarly, navigations to view-source URLs or within ViewSource mode
4293     // must be handled by the browser process (except for reloads - those are
4294     // safe to leave within the renderer).
4295     // Lastly, access to file:// URLs from non-file:// URL pages must be
4296     // handled by the browser so that ordinary renderer processes don't get
4297     // blessed with file permissions.
4298     int cumulative_bindings = RenderProcess::current()->GetEnabledBindings();
4299     bool is_initial_navigation = render_view_->history_list_length_ == 0;
4300     bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) ||
4301         (cumulative_bindings & BINDINGS_POLICY_WEB_UI) ||
4302         url.SchemeIs(kViewSourceScheme) ||
4303         (info.frame->isViewSourceModeEnabled() &&
4304             info.navigationType != blink::WebNavigationTypeReload);
4305
4306     if (!should_fork && url.SchemeIs(url::kFileScheme)) {
4307       // Fork non-file to file opens.  Check the opener URL if this is the
4308       // initial navigation in a newly opened window.
4309       GURL source_url(old_url);
4310       if (is_initial_navigation && source_url.is_empty() &&
4311           info.frame->opener())
4312         source_url = info.frame->opener()->top()->document().url();
4313       DCHECK(!source_url.is_empty());
4314       should_fork = !source_url.SchemeIs(url::kFileScheme);
4315     }
4316
4317     if (!should_fork) {
4318       // Give the embedder a chance.
4319       should_fork = GetContentClient()->renderer()->ShouldFork(
4320           info.frame, url, info.urlRequest.httpMethod().utf8(),
4321           is_initial_navigation, info.isRedirect, &send_referrer);
4322     }
4323
4324     if (should_fork) {
4325       OpenURL(info.frame, url, send_referrer ? referrer : Referrer(),
4326               info.defaultPolicy);
4327       return blink::WebNavigationPolicyIgnore;  // Suppress the load here.
4328     }
4329   }
4330
4331   // Detect when a page is "forking" a new tab that can be safely rendered in
4332   // its own process.  This is done by sites like Gmail that try to open links
4333   // in new windows without script connections back to the original page.  We
4334   // treat such cases as browser navigations (in which we will create a new
4335   // renderer for a cross-site navigation), rather than WebKit navigations.
4336   //
4337   // We use the following heuristic to decide whether to fork a new page in its
4338   // own process:
4339   // The parent page must open a new tab to about:blank, set the new tab's
4340   // window.opener to null, and then redirect the tab to a cross-site URL using
4341   // JavaScript.
4342   //
4343   // TODO(creis): Deprecate this logic once we can rely on rel=noreferrer
4344   // (see below).
4345   bool is_fork =
4346       // Must start from a tab showing about:blank, which is later redirected.
4347       old_url == GURL(url::kAboutBlankURL) &&
4348       // Must be the first real navigation of the tab.
4349       render_view_->historyBackListCount() < 1 &&
4350       render_view_->historyForwardListCount() < 1 &&
4351       // The parent page must have set the child's window.opener to null before
4352       // redirecting to the desired URL.
4353       info.frame->opener() == NULL &&
4354       // Must be a top-level frame.
4355       info.frame->parent() == NULL &&
4356       // Must not have issued the request from this page.
4357       is_content_initiated &&
4358       // Must be targeted at the current tab.
4359       info.defaultPolicy == blink::WebNavigationPolicyCurrentTab &&
4360       // Must be a JavaScript navigation, which appears as "other".
4361       info.navigationType == blink::WebNavigationTypeOther;
4362
4363   if (is_fork) {
4364     // Open the URL via the browser, not via WebKit.
4365     OpenURL(info.frame, url, Referrer(), info.defaultPolicy);
4366     return blink::WebNavigationPolicyIgnore;
4367   }
4368
4369   // PlzNavigate: if the navigation is not synchronous, send it to the browser.
4370   // This includes navigations with no request being sent to the network stack.
4371   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
4372           switches::kEnableBrowserSideNavigation) &&
4373       info.urlRequest.checkForBrowserSideNavigation() &&
4374       ShouldMakeNetworkRequestForURL(url)) {
4375     BeginNavigation(&info.urlRequest);
4376     return blink::WebNavigationPolicyIgnore;
4377   }
4378
4379   return info.defaultPolicy;
4380 }
4381
4382 void RenderFrameImpl::OpenURL(WebFrame* frame,
4383                               const GURL& url,
4384                               const Referrer& referrer,
4385                               WebNavigationPolicy policy) {
4386   DCHECK_EQ(frame_, frame);
4387
4388   FrameHostMsg_OpenURL_Params params;
4389   params.url = url;
4390   params.referrer = referrer;
4391   params.disposition = RenderViewImpl::NavigationPolicyToDisposition(policy);
4392   WebDataSource* ds = frame->provisionalDataSource();
4393   if (ds) {
4394     DocumentState* document_state = DocumentState::FromDataSource(ds);
4395     NavigationStateImpl* navigation_state =
4396         static_cast<NavigationStateImpl*>(document_state->navigation_state());
4397     if (navigation_state->IsContentInitiated()) {
4398       params.should_replace_current_entry =
4399           ds->replacesCurrentHistoryItem() &&
4400           render_view_->history_list_length_;
4401     } else {
4402       // This is necessary to preserve the should_replace_current_entry value on
4403       // cross-process redirects, in the event it was set by a previous process.
4404       //
4405       // TODO(davidben): Avoid this awkward duplication of state. See comment on
4406       // NavigationState::should_replace_current_entry().
4407       params.should_replace_current_entry =
4408           navigation_state->common_params().should_replace_current_entry;
4409     }
4410   } else {
4411     params.should_replace_current_entry = false;
4412   }
4413   params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture();
4414   if (GetContentClient()->renderer()->AllowPopup())
4415     params.user_gesture = true;
4416
4417   if (policy == blink::WebNavigationPolicyNewBackgroundTab ||
4418       policy == blink::WebNavigationPolicyNewForegroundTab ||
4419       policy == blink::WebNavigationPolicyNewWindow ||
4420       policy == blink::WebNavigationPolicyNewPopup) {
4421     WebUserGestureIndicator::consumeUserGesture();
4422   }
4423
4424   Send(new FrameHostMsg_OpenURL(routing_id_, params));
4425 }
4426
4427 void RenderFrameImpl::NavigateInternal(
4428     const CommonNavigationParams& common_params,
4429     const StartNavigationParams& start_params,
4430     const RequestNavigationParams& request_params,
4431     scoped_ptr<StreamOverrideParameters> stream_params) {
4432   bool browser_side_navigation =
4433       base::CommandLine::ForCurrentProcess()->HasSwitch(
4434           switches::kEnableBrowserSideNavigation);
4435   bool is_reload = IsReload(common_params.navigation_type);
4436   bool is_history_navigation = request_params.page_state.IsValid();
4437   WebURLRequest::CachePolicy cache_policy =
4438       WebURLRequest::UseProtocolCachePolicy;
4439   RenderFrameImpl::PrepareRenderViewForNavigation(
4440       common_params.url, request_params, &is_reload, &cache_policy);
4441
4442   GetContentClient()->SetActiveURL(common_params.url);
4443
4444   // If this frame isn't in the same process as the main frame, it may naively
4445   // assume that this is the first navigation in the iframe, but this may not
4446   // actually be the case. Inform the frame's state machine if this frame has
4447   // already committed other loads.
4448   if (request_params.has_committed_real_load && frame_->parent())
4449     frame_->setCommittedFirstRealLoad();
4450
4451   if (is_reload && !render_view_->history_controller()->GetCurrentEntry()) {
4452     // We cannot reload if we do not have any history state.  This happens, for
4453     // example, when recovering from a crash.
4454     is_reload = false;
4455     cache_policy = WebURLRequest::ReloadIgnoringCacheData;
4456   }
4457
4458   pending_navigation_params_.reset(
4459       new NavigationParams(common_params, start_params, request_params));
4460
4461   // Create parameters for a standard navigation.
4462   blink::WebFrameLoadType load_type = blink::WebFrameLoadType::Standard;
4463   bool should_load_request = false;
4464   WebHistoryItem item_for_history_navigation;
4465   WebURLRequest request = CreateURLRequestForNavigation(
4466       common_params, stream_params.Pass(), frame_->isViewSourceModeEnabled());
4467
4468   // PlzNavigate: Make sure that Blink's loader will not try to use browser side
4469   // navigation for this request (since it already went to the browser).
4470   if (browser_side_navigation)
4471     request.setCheckForBrowserSideNavigation(false);
4472
4473   // If we are reloading, then use the history state of the current frame.
4474   // Otherwise, if we have history state, then we need to navigate to it, which
4475   // corresponds to a back/forward navigation event. Update the parameters
4476   // depending on the navigation type.
4477   if (is_reload) {
4478     bool ignore_cache = (common_params.navigation_type ==
4479                          FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE);
4480     load_type = ignore_cache ? blink::WebFrameLoadType::ReloadFromOrigin
4481                              : blink::WebFrameLoadType::Reload;
4482
4483     if (!browser_side_navigation) {
4484       const GURL override_url =
4485           (common_params.navigation_type ==
4486            FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL)
4487               ? common_params.url
4488               : GURL();
4489       request = frame_->requestForReload(load_type, override_url);
4490     }
4491     should_load_request = true;
4492   } else if (is_history_navigation) {
4493     // We must know the page ID of the page we are navigating back to.
4494     DCHECK_NE(request_params.page_id, -1);
4495     // We must know the nav entry ID of the page we are navigating back to,
4496     // which should be the case because history navigations are routed via the
4497     // browser.
4498     DCHECK_NE(0, request_params.nav_entry_id);
4499     scoped_ptr<HistoryEntry> entry =
4500         PageStateToHistoryEntry(request_params.page_state);
4501     if (entry) {
4502       // Ensure we didn't save the swapped out URL in UpdateState, since the
4503       // browser should never be telling us to navigate to swappedout://.
4504       CHECK(entry->root().urlString() != WebString::fromUTF8(kSwappedOutURL));
4505
4506       if (!browser_side_navigation) {
4507         scoped_ptr<NavigationParams> navigation_params(
4508             new NavigationParams(*pending_navigation_params_.get()));
4509         if (!SiteIsolationPolicy::UseSubframeNavigationEntries()) {
4510           // By default, tell the HistoryController to go the deserialized
4511           // HistoryEntry.  This only works if all frames are in the same
4512           // process.
4513           DCHECK(!frame_->parent());
4514           render_view_->history_controller()->GoToEntry(
4515               frame_, entry.Pass(), navigation_params.Pass(), cache_policy);
4516         } else {
4517           // In --site-per-process, the browser process sends a single
4518           // WebHistoryItem destined for this frame.
4519           // TODO(creis): Change PageState to FrameState.  In the meantime, we
4520           // store the relevant frame's WebHistoryItem in the root of the
4521           // PageState.
4522           SetPendingNavigationParams(navigation_params.Pass());
4523           blink::WebHistoryItem history_item = entry->root();
4524           blink::WebHistoryLoadType load_type =
4525               request_params.is_same_document_history_load
4526                   ? blink::WebHistorySameDocumentLoad
4527                   : blink::WebHistoryDifferentDocumentLoad;
4528
4529           // Let the history controller know the provisional entry, since it is
4530           // used at commit time.  Otherwise skip GoToEntry and navigate the
4531           // frame directly.
4532           // TODO(creis): Consider cloning the current entry to handle subframe
4533           // cases.  Changes to SendUpdateState might affect this.
4534           render_view_->history_controller()->set_provisional_entry(
4535               entry.Pass());
4536           WebURLRequest request =
4537               frame_->requestFromHistoryItem(history_item, cache_policy);
4538           frame_->load(request, blink::WebFrameLoadType::BackForward,
4539                        history_item, load_type);
4540         }
4541       } else {
4542         // TODO(clamy): this should be set to the HistoryItem sent by the
4543         // browser once the HistoryController has moved to the browser.
4544         // TODO(clamy): distinguish between different document and same document
4545         // loads.
4546         // TODO(clamy): update this for subframes history loads.
4547         item_for_history_navigation =
4548             entry->GetHistoryNodeForFrame(this)->item();
4549         load_type = blink::WebFrameLoadType::BackForward;
4550         should_load_request = true;
4551       }
4552     }
4553   } else {
4554     // Navigate to the given URL.
4555     if (!start_params.extra_headers.empty() && !browser_side_navigation) {
4556       for (net::HttpUtil::HeadersIterator i(start_params.extra_headers.begin(),
4557                                             start_params.extra_headers.end(),
4558                                             "\n");
4559            i.GetNext();) {
4560         request.addHTTPHeaderField(WebString::fromUTF8(i.name()),
4561                                    WebString::fromUTF8(i.values()));
4562       }
4563     }
4564
4565     if (start_params.is_post && !browser_side_navigation) {
4566       request.setHTTPMethod(WebString::fromUTF8("POST"));
4567
4568       // Set post data.
4569       WebHTTPBody http_body;
4570       http_body.initialize();
4571       const char* data = nullptr;
4572       if (start_params.browser_initiated_post_data.size()) {
4573         data = reinterpret_cast<const char*>(
4574             &start_params.browser_initiated_post_data.front());
4575       }
4576       http_body.appendData(
4577           WebData(data, start_params.browser_initiated_post_data.size()));
4578       request.setHTTPBody(http_body);
4579     }
4580
4581     // A session history navigation should have been accompanied by state.
4582     CHECK_EQ(request_params.page_id, -1);
4583
4584     should_load_request = true;
4585   }
4586
4587   if (should_load_request) {
4588     // Record this before starting the load. We need a lower bound of this
4589     // time to sanitize the navigationStart override set below.
4590     base::TimeTicks renderer_navigation_start = base::TimeTicks::Now();
4591
4592     // Perform a navigation to a data url if needed.
4593     if (!common_params.base_url_for_data_url.is_empty() ||
4594         (browser_side_navigation &&
4595          common_params.url.SchemeIs(url::kDataScheme))) {
4596       LoadDataURL(common_params, frame_);
4597     } else {
4598       // Load the request.
4599       frame_->toWebLocalFrame()->load(request, load_type,
4600                                       item_for_history_navigation);
4601     }
4602
4603     if (load_type == blink::WebFrameLoadType::Standard) {
4604       UpdateFrameNavigationTiming(frame_,
4605                                   request_params.browser_navigation_start,
4606                                   renderer_navigation_start);
4607     }
4608   }
4609
4610   // In case LoadRequest failed before didCreateDataSource was called.
4611   pending_navigation_params_.reset();
4612 }
4613
4614 void RenderFrameImpl::UpdateEncoding(WebFrame* frame,
4615                                      const std::string& encoding_name) {
4616   // Only update main frame's encoding_name.
4617   if (!frame->parent())
4618     Send(new FrameHostMsg_UpdateEncoding(routing_id_, encoding_name));
4619 }
4620
4621 void RenderFrameImpl::SyncSelectionIfRequired() {
4622   base::string16 text;
4623   size_t offset;
4624   gfx::Range range;
4625 #if defined(ENABLE_PLUGINS)
4626   if (render_view_->focused_pepper_plugin_) {
4627     render_view_->focused_pepper_plugin_->GetSurroundingText(&text, &range);
4628     offset = 0;  // Pepper API does not support offset reporting.
4629     // TODO(kinaba): cut as needed.
4630   } else
4631 #endif
4632   {
4633     size_t location, length;
4634     if (!GetRenderWidget()->webwidget()->caretOrSelectionRange(
4635             &location, &length)) {
4636       return;
4637     }
4638
4639     range = gfx::Range(location, location + length);
4640
4641     if (GetRenderWidget()->webwidget()->textInputInfo().type !=
4642             blink::WebTextInputTypeNone) {
4643       // If current focused element is editable, we will send 100 more chars
4644       // before and after selection. It is for input method surrounding text
4645       // feature.
4646       if (location > kExtraCharsBeforeAndAfterSelection)
4647         offset = location - kExtraCharsBeforeAndAfterSelection;
4648       else
4649         offset = 0;
4650       length = location + length - offset + kExtraCharsBeforeAndAfterSelection;
4651       WebRange webrange = WebRange::fromDocumentRange(frame_, offset, length);
4652       if (!webrange.isNull())
4653         text = webrange.toPlainText();
4654     } else {
4655       offset = location;
4656       text = frame_->selectionAsText();
4657       // http://crbug.com/101435
4658       // In some case, frame->selectionAsText() returned text's length is not
4659       // equal to the length returned from webwidget()->caretOrSelectionRange().
4660       // So we have to set the range according to text.length().
4661       range.set_end(range.start() + text.length());
4662     }
4663   }
4664
4665   // Sometimes we get repeated didChangeSelection calls from webkit when
4666   // the selection hasn't actually changed. We don't want to report these
4667   // because it will cause us to continually claim the X clipboard.
4668   if (selection_text_offset_ != offset ||
4669       selection_range_ != range ||
4670       selection_text_ != text) {
4671     selection_text_ = text;
4672     selection_text_offset_ = offset;
4673     selection_range_ = range;
4674     SetSelectedText(text, offset, range);
4675   }
4676   GetRenderWidget()->UpdateSelectionBounds();
4677 }
4678
4679 void RenderFrameImpl::InitializeUserMediaClient() {
4680   if (!RenderThreadImpl::current())  // Will be NULL during unit tests.
4681     return;
4682
4683 #if defined(OS_ANDROID)
4684   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
4685           switches::kDisableWebRTC))
4686     return;
4687 #endif
4688
4689 #if defined(ENABLE_WEBRTC)
4690   DCHECK(!web_user_media_client_);
4691   web_user_media_client_ = new UserMediaClientImpl(
4692       this,
4693       RenderThreadImpl::current()->GetPeerConnectionDependencyFactory(),
4694       make_scoped_ptr(new MediaStreamDispatcher(this)).Pass());
4695 #endif
4696 }
4697
4698 WebMediaPlayer* RenderFrameImpl::CreateWebMediaPlayerForMediaStream(
4699     WebMediaPlayerClient* client) {
4700 #if defined(ENABLE_WEBRTC)
4701 #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4702   bool found_neon =
4703       (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0;
4704   UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon);
4705 #endif  // defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL)
4706   return new WebMediaPlayerMS(frame_, client, weak_factory_.GetWeakPtr(),
4707                               new RenderMediaLog(),
4708                               CreateRendererFactory());
4709 #else
4710   return NULL;
4711 #endif  // defined(ENABLE_WEBRTC)
4712 }
4713
4714 scoped_ptr<MediaStreamRendererFactory>
4715 RenderFrameImpl::CreateRendererFactory() {
4716   scoped_ptr<MediaStreamRendererFactory> factory =
4717       GetContentClient()->renderer()->CreateMediaStreamRendererFactory();
4718   if (factory.get())
4719     return factory.Pass();
4720 #if defined(ENABLE_WEBRTC)
4721   return scoped_ptr<MediaStreamRendererFactory>(
4722       new MediaStreamRendererFactoryImpl());
4723 #else
4724   return scoped_ptr<MediaStreamRendererFactory>(
4725       static_cast<MediaStreamRendererFactory*>(NULL));
4726 #endif
4727 }
4728
4729 void RenderFrameImpl::PrepareRenderViewForNavigation(
4730     const GURL& url,
4731     const RequestNavigationParams& request_params,
4732     bool* is_reload,
4733     WebURLRequest::CachePolicy* cache_policy) {
4734   DCHECK(render_view_->webview());
4735
4736   MaybeHandleDebugURL(url);
4737
4738   FOR_EACH_OBSERVER(
4739       RenderViewObserver, render_view_->observers_, Navigate(url));
4740
4741   render_view_->history_list_offset_ =
4742       request_params.current_history_list_offset;
4743   render_view_->history_list_length_ =
4744       request_params.current_history_list_length;
4745   if (request_params.should_clear_history_list) {
4746     CHECK_EQ(-1, render_view_->history_list_offset_);
4747     CHECK_EQ(0, render_view_->history_list_length_);
4748   }
4749
4750   if (!is_swapped_out_ || frame_->parent())
4751     return;
4752
4753   // This is a swapped out main frame, so swap the renderer back in.
4754   // We marked the view as hidden when swapping the view out, so be sure to
4755   // reset the visibility state before navigating to the new URL.
4756   render_view_->webview()->setVisibilityState(
4757       render_view_->visibilityState(), false);
4758
4759   // If this is an attempt to reload while we are swapped out, we should not
4760   // reload swappedout://, but the previous page, which is stored in
4761   // params.state.  Setting is_reload to false will treat this like a back
4762   // navigation to accomplish that.
4763   *is_reload = false;
4764   *cache_policy = WebURLRequest::ReloadIgnoringCacheData;
4765
4766   // We refresh timezone when a view is swapped in since timezone
4767   // can get out of sync when the system timezone is updated while
4768   // the view is swapped out.
4769   RenderThreadImpl::NotifyTimezoneChange();
4770
4771   render_view_->SetSwappedOut(false);
4772   is_swapped_out_ = false;
4773   return;
4774 }
4775
4776 void RenderFrameImpl::BeginNavigation(blink::WebURLRequest* request) {
4777   CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch(
4778       switches::kEnableBrowserSideNavigation));
4779   DCHECK(request);
4780   // TODO(clamy): Execute the beforeunload event.
4781
4782   // Note: At this stage, the goal is to apply all the modifications the
4783   // renderer wants to make to the request, and then send it to the browser, so
4784   // that the actual network request can be started. Ideally, all such
4785   // modifications should take place in willSendRequest, and in the
4786   // implementation of willSendRequest for the various InspectorAgents
4787   // (devtools).
4788   //
4789   // TODO(clamy): Apply devtools override.
4790   // TODO(clamy): Make sure that navigation requests are not modified somewhere
4791   // else in blink.
4792   willSendRequest(frame_, 0, *request, blink::WebURLResponse());
4793
4794   // TODO(clamy): Same-document navigations should not be sent back to the
4795   // browser.
4796   // TODO(clamy): Data urls should not be sent back to the browser either.
4797   bool should_replace_current_entry = false;
4798   WebDataSource* provisional_data_source = frame_->provisionalDataSource();
4799   WebDataSource* current_data_source = frame_->dataSource();
4800   WebDataSource* data_source =
4801       provisional_data_source ? provisional_data_source : current_data_source;
4802
4803   // The current entry can only be replaced if there already is an entry in the
4804   // history list.
4805   if (data_source && render_view_->history_list_length_ > 0) {
4806     should_replace_current_entry = data_source->replacesCurrentHistoryItem();
4807   }
4808   Send(new FrameHostMsg_BeginNavigation(
4809       routing_id_,
4810       MakeCommonNavigationParams(request, should_replace_current_entry),
4811       BeginNavigationParams(
4812           request->httpMethod().latin1(), GetWebURLRequestHeaders(*request),
4813           GetLoadFlagsForWebURLRequest(*request), request->hasUserGesture()),
4814       GetRequestBodyForWebURLRequest(*request)));
4815 }
4816
4817 void RenderFrameImpl::LoadDataURL(const CommonNavigationParams& params,
4818                                   WebFrame* frame) {
4819   // A loadData request with a specified base URL.
4820   std::string mime_type, charset, data;
4821   if (net::DataURL::Parse(params.url, &mime_type, &charset, &data)) {
4822     const GURL base_url = params.base_url_for_data_url.is_empty() ?
4823         params.url : params.base_url_for_data_url;
4824     frame->loadData(
4825         WebData(data.c_str(), data.length()),
4826         WebString::fromUTF8(mime_type),
4827         WebString::fromUTF8(charset),
4828         base_url,
4829         params.history_url_for_data_url,
4830         false);
4831   } else {
4832     CHECK(false) << "Invalid URL passed: "
4833                  << params.url.possibly_invalid_spec();
4834   }
4835 }
4836
4837 void RenderFrameImpl::SendFailedProvisionalLoad(
4838     const blink::WebURLRequest& request,
4839     const blink::WebURLError& error,
4840     blink::WebLocalFrame* frame) {
4841   bool show_repost_interstitial =
4842       (error.reason == net::ERR_CACHE_MISS &&
4843        base::EqualsASCII(base::StringPiece16(request.httpMethod()), "POST"));
4844
4845   FrameHostMsg_DidFailProvisionalLoadWithError_Params params;
4846   params.error_code = error.reason;
4847   GetContentClient()->renderer()->GetNavigationErrorStrings(
4848       render_view_.get(), frame, request, error, NULL,
4849       &params.error_description);
4850   params.url = error.unreachableURL;
4851   params.showing_repost_interstitial = show_repost_interstitial;
4852   params.was_ignored_by_handler = error.wasIgnoredByHandler;
4853   Send(new FrameHostMsg_DidFailProvisionalLoadWithError(routing_id_, params));
4854 }
4855
4856 bool RenderFrameImpl::ShouldDisplayErrorPageForFailedLoad(
4857     int error_code,
4858     const GURL& unreachable_url) {
4859   // Don't display an error page if this is simply a cancelled load.  Aside
4860   // from being dumb, Blink doesn't expect it and it will cause a crash.
4861   if (error_code == net::ERR_ABORTED)
4862     return false;
4863
4864   // Don't display "client blocked" error page if browser has asked us not to.
4865   if (error_code == net::ERR_BLOCKED_BY_CLIENT &&
4866       render_view_->renderer_preferences_.disable_client_blocked_error_page) {
4867     return false;
4868   }
4869
4870   // Allow the embedder to suppress an error page.
4871   if (GetContentClient()->renderer()->ShouldSuppressErrorPage(
4872           this, unreachable_url)) {
4873     return false;
4874   }
4875
4876   if (RenderThreadImpl::current() &&
4877       RenderThreadImpl::current()->layout_test_mode()) {
4878     return false;
4879   }
4880
4881   return true;
4882 }
4883
4884 GURL RenderFrameImpl::GetLoadingUrl() const {
4885   WebDataSource* ds = frame_->dataSource();
4886   if (ds->hasUnreachableURL())
4887     return ds->unreachableURL();
4888
4889   const WebURLRequest& request = ds->request();
4890   return request.url();
4891 }
4892
4893 void RenderFrameImpl::PopulateDocumentStateFromPending(
4894     DocumentState* document_state) {
4895   document_state->set_request_time(
4896       pending_navigation_params_->request_params.request_time);
4897
4898   InternalDocumentStateData* internal_data =
4899       InternalDocumentStateData::FromDocumentState(document_state);
4900
4901   if (!pending_navigation_params_->common_params.url.SchemeIs(
4902           url::kJavaScriptScheme) &&
4903       pending_navigation_params_->common_params.navigation_type ==
4904           FrameMsg_Navigate_Type::RESTORE) {
4905     // We're doing a load of a page that was restored from the last session. By
4906     // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which
4907     // can result in stale data for pages that are set to expire. We explicitly
4908     // override that by setting the policy here so that as necessary we load
4909     // from the network.
4910     //
4911     // TODO(davidben): Remove this in favor of passing a cache policy to the
4912     // loadHistoryItem call in OnNavigate. That requires not overloading
4913     // UseProtocolCachePolicy to mean both "normal load" and "determine cache
4914     // policy based on load type, etc".
4915     internal_data->set_cache_policy_override(
4916         WebURLRequest::UseProtocolCachePolicy);
4917   }
4918
4919   if (IsReload(pending_navigation_params_->common_params.navigation_type))
4920     document_state->set_load_type(DocumentState::RELOAD);
4921   else if (pending_navigation_params_->request_params.page_state.IsValid())
4922     document_state->set_load_type(DocumentState::HISTORY_LOAD);
4923   else
4924     document_state->set_load_type(DocumentState::NORMAL_LOAD);
4925
4926   internal_data->set_is_overriding_user_agent(
4927       pending_navigation_params_->request_params.is_overriding_user_agent);
4928   internal_data->set_must_reset_scroll_and_scale_state(
4929       pending_navigation_params_->common_params.navigation_type ==
4930       FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL);
4931   document_state->set_can_load_local_resources(
4932       pending_navigation_params_->request_params.can_load_local_resources);
4933 }
4934
4935 NavigationState* RenderFrameImpl::CreateNavigationStateFromPending() {
4936   // A navigation resulting from loading a javascript URL should not be treated
4937   // as a browser initiated event.  Instead, we want it to look as if the page
4938   // initiated any load resulting from JS execution.
4939   if (!pending_navigation_params_->common_params.url.SchemeIs(
4940           url::kJavaScriptScheme)) {
4941     return NavigationStateImpl::CreateBrowserInitiated(
4942         pending_navigation_params_->common_params,
4943         pending_navigation_params_->start_params,
4944         pending_navigation_params_->request_params);
4945   }
4946   return NavigationStateImpl::CreateContentInitiated();
4947 }
4948
4949 #if defined(OS_ANDROID)
4950
4951 WebMediaPlayer* RenderFrameImpl::CreateAndroidWebMediaPlayer(
4952     WebMediaPlayerClient* client,
4953     WebMediaPlayerEncryptedMediaClient* encrypted_client,
4954     media::MediaPermission* media_permission,
4955     WebContentDecryptionModule* initial_cdm) {
4956   scoped_refptr<StreamTextureFactory> stream_texture_factory;
4957   if (SynchronousCompositorFactory* factory =
4958           SynchronousCompositorFactory::GetInstance()) {
4959     stream_texture_factory = factory->CreateStreamTextureFactory(routing_id_);
4960   } else {
4961     GpuChannelHost* gpu_channel_host =
4962         RenderThreadImpl::current()->EstablishGpuChannelSync(
4963             CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE);
4964
4965     if (!gpu_channel_host) {
4966       LOG(ERROR) << "Failed to establish GPU channel for media player";
4967       return NULL;
4968     }
4969
4970     scoped_refptr<cc_blink::ContextProviderWebContext> context_provider =
4971         RenderThreadImpl::current()->SharedMainThreadContextProvider();
4972
4973     if (!context_provider.get()) {
4974       LOG(ERROR) << "Failed to get context3d for media player";
4975       return NULL;
4976     }
4977
4978     stream_texture_factory = StreamTextureFactoryImpl::Create(
4979         context_provider, gpu_channel_host, routing_id_);
4980   }
4981
4982   return new WebMediaPlayerAndroid(
4983       frame_, client, encrypted_client, weak_factory_.GetWeakPtr(),
4984       GetMediaPlayerManager(), GetCdmFactory(), media_permission, initial_cdm,
4985       stream_texture_factory,
4986       RenderThreadImpl::current()->GetMediaThreadTaskRunner(),
4987       new RenderMediaLog());
4988 }
4989
4990 RendererMediaPlayerManager* RenderFrameImpl::GetMediaPlayerManager() {
4991   if (!media_player_manager_)
4992     media_player_manager_ = new RendererMediaPlayerManager(this);
4993   return media_player_manager_;
4994 }
4995
4996 #endif  // defined(OS_ANDROID)
4997
4998 media::MediaPermission* RenderFrameImpl::GetMediaPermission() {
4999   if (!media_permission_dispatcher_)
5000     media_permission_dispatcher_ = new MediaPermissionDispatcher(this);
5001   return media_permission_dispatcher_;
5002 }
5003
5004 #if defined(ENABLE_MOJO_MEDIA)
5005 media::interfaces::ServiceFactory* RenderFrameImpl::GetMediaServiceFactory() {
5006   if (!media_service_factory_) {
5007     mojo::InterfacePtr<mojo::Shell> shell_ptr;
5008     GetServiceRegistry()->ConnectToRemoteService(mojo::GetProxy(&shell_ptr));
5009
5010     mojo::ServiceProviderPtr service_provider;
5011     mojo::URLRequestPtr request(mojo::URLRequest::New());
5012     request->url = mojo::String::From("mojo:media");
5013     shell_ptr->ConnectToApplication(request.Pass(), GetProxy(&service_provider),
5014                                     nullptr, nullptr);
5015
5016     mojo::ConnectToService(service_provider.get(), &media_service_factory_);
5017
5018     media_service_factory_.set_connection_error_handler(
5019         base::Bind(&RenderFrameImpl::OnMediaServiceFactoryConnectionError,
5020                    base::Unretained(this)));
5021   }
5022
5023   return media_service_factory_.get();
5024 }
5025
5026 void RenderFrameImpl::OnMediaServiceFactoryConnectionError() {
5027   // TODO(xhwang): Resetting |media_service_factory_| could cause access
5028   // violation on the old |media_service_factory_| by outstanding
5029   // media::CdmFactory or media::RendererFactory. Find a better way to handle
5030   // this.
5031   // media_service_factory_.reset();
5032 }
5033 #endif
5034
5035 bool RenderFrameImpl::AreSecureCodecsSupported() {
5036 #if defined(OS_ANDROID)
5037   // Hardware-secure codecs are only supported if secure surfaces are enabled.
5038   return render_view_->renderer_preferences_
5039       .use_video_overlay_for_embedded_encrypted_video;
5040 #else
5041   return false;
5042 #endif  // defined(OS_ANDROID)
5043 }
5044
5045 media::CdmFactory* RenderFrameImpl::GetCdmFactory() {
5046 #if defined(ENABLE_BROWSER_CDMS)
5047   if (!cdm_manager_)
5048     cdm_manager_ = new RendererCdmManager(this);
5049 #endif  // defined(ENABLE_BROWSER_CDMS)
5050
5051   if (!cdm_factory_) {
5052     DCHECK(frame_);
5053
5054 #if defined(ENABLE_MOJO_MEDIA)
5055     cdm_factory_.reset(new media::MojoCdmFactory(GetMediaServiceFactory()));
5056 #else
5057     cdm_factory_.reset(new RenderCdmFactory(
5058 #if defined(ENABLE_PEPPER_CDMS)
5059         base::Bind(&PepperCdmWrapperImpl::Create, frame_)
5060 #elif defined(ENABLE_BROWSER_CDMS)
5061         cdm_manager_
5062 #endif
5063         ));
5064 #endif  //  defined(ENABLE_MOJO_MEDIA)
5065   }
5066
5067   return cdm_factory_.get();
5068 }
5069
5070 void RenderFrameImpl::RegisterMojoServices() {
5071   // Only main frame have ImageDownloader service.
5072   if (!frame_->parent()) {
5073     GetServiceRegistry()->AddService<image_downloader::ImageDownloader>(
5074         base::Bind(&ImageDownloaderImpl::CreateMojoService,
5075                    base::Unretained(this)));
5076   }
5077 }
5078
5079 }  // namespace content